BST
British Summer Time
GMT +1
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT
Eastern Daylight Time
GMT -4
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CDT
Central Daylight Time
GMT -5
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MDT
Mountain Daylight Time
GMT -6
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PDT
Pacific Daylight Time
GMT -7
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST/CET
Central European Summer Time
GMT +2
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Europe is on summer time: CEST (UTC+2) until Sun, Oct 29.
EEST/EET
Eastern European Summer Time
GMT +3
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Europe is on summer time: EEST (UTC+3) until Sun, Oct 29.
SGT
Singapore Time
GMT +8
Mon, Jul 17
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Australia
AEST
Tue, Jul 18
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New Zealand
NZST
Tue, Jul 18
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 pm16:00 BST (UTC+1), Jul 17, 2023 = 11:00 am11:00 EDT (UTC-4), Jul 17, 2023 = 10:00 am10:00 CDT (UTC-5), Jul 17, 2023 = 9:00 am09:00 MDT (UTC-6), Jul 17, 2023 = 8:00 am08:00 PDT (UTC-7), Jul 17, 2023 = 5:00 pm17:00 CEST (UTC+2), Jul 17, 2023 = 6:00 pm18:00 EEST (UTC+3), Jul 17, 2023 = 11:00 pm23:00 SGT (UTC+8), Jul 17, 2023 = 1:00 am01:00 AEST (UTC+10), Jul 18, 2023 = 3:00 am03:00 NZST (UTC+12), Jul 18, 2023

BST is 5 hours ahead of EDT. BST is 6 hours ahead of CDT. BST is 7 hours ahead of MDT. BST is 8 hours ahead of PDT. BST is 1 hour behind CEST. BST is 2 hours behind EEST. BST is 7 hours behind SGT. BST is 9 hours behind Melbourne. BST is 11 hours behind Auckland.

How the time difference changes

BST to EDT

For most of the year, BST is 5 hours ahead of EDT. At other times of the year, GMT is 5 hours ahead of EST or GMT is 4 hours ahead of EDT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 4:00 am to 12:00 pm in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 4:00 am to 12:00 pm in EST or working hours of 9:00 am to 5:00 pm in GMT correspond to 5:00 am to 1:00 pm in EDT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 04:00 to 12:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 04:00 to 12:00 in EST or working hours of 09:00 to 17:00 in GMT correspond to 05:00 to 13:00 in EDT.

BST to CDT

For most of the year, BST is 6 hours ahead of CDT. At other times of the year, GMT is 6 hours ahead of CST or GMT is 5 hours ahead of CDT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 3:00 am to 11:00 am in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 3:00 am to 11:00 am in CST or working hours of 9:00 am to 5:00 pm in GMT correspond to 4:00 am to 12:00 pm in CDT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 03:00 to 11:00 in CDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 03:00 to 11:00 in CST or working hours of 09:00 to 17:00 in GMT correspond to 04:00 to 12:00 in CDT.

BST to MDT

For most of the year, BST is 7 hours ahead of MDT. At other times of the year, GMT is 7 hours ahead of MST or GMT is 6 hours ahead of MDT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 2:00 am to 10:00 am in MDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 2:00 am to 10:00 am in MST or working hours of 9:00 am to 5:00 pm in GMT correspond to 3:00 am to 11:00 am in MDT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 02:00 to 10:00 in MDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 02:00 to 10:00 in MST or working hours of 09:00 to 17:00 in GMT correspond to 03:00 to 11:00 in MDT.

BST to PDT

For most of the year, BST is 8 hours ahead of PDT. At other times of the year, GMT is 8 hours ahead of PST or GMT is 7 hours ahead of PDT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 1:00 am to 9:00 am in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 1:00 am to 9:00 am in PST or working hours of 9:00 am to 5:00 pm in GMT correspond to 2:00 am to 10:00 am in PDT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 01:00 to 09:00 in PDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 01:00 to 09:00 in PST or working hours of 09:00 to 17:00 in GMT correspond to 02:00 to 10:00 in PDT.

BST to CET

For most of the year, BST is 1 hour behind CEST. At other times of the year, GMT is 1 hour behind CET.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 10:00 am to 6:00 pm in CEST. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 10:00 am to 6:00 pm in CET.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 10:00 to 18:00 in CEST. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 10:00 to 18:00 in CET.

BST to EET

For most of the year, BST is 2 hours behind EEST. At other times of the year, GMT is 2 hours behind EET.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 11:00 am to 7:00 pm in EEST. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 11:00 am to 7:00 pm in EET.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 11:00 to 19:00 in EEST. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 11:00 to 19:00 in EET.

BST to SGT

For most of the year, BST is 7 hours behind SGT. At other times of the year, GMT is 8 hours behind SGT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 4:00 pm to 12:00 am (next day) in SGT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 5:00 pm to 1:00 am (next day) in SGT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 16:00 to 00:00 (next day) in SGT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 17:00 to 01:00 (next day) in SGT.

BST to Melbourne

Depending on seasonal clock changes, BST is 9 hours behind Melbourne, BST is 10 hours behind Melbourne, or GMT is 11 hours behind Melbourne.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in BST correspond to 6:00 pm to 2:00 am (next day) in Melbourne, working hours of 9:00 am to 5:00 pm in BST correspond to 7:00 pm to 3:00 am (next day) in Melbourne, or working hours of 9:00 am to 5:00 pm in GMT correspond to 8:00 pm to 4:00 am (next day) in Melbourne.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in BST correspond to 18:00 to 02:00 (next day) in Melbourne, working hours of 09:00 to 17:00 in BST correspond to 19:00 to 03:00 (next day) in Melbourne, or working hours of 09:00 to 17:00 in GMT correspond to 20:00 to 04:00 (next day) in Melbourne.

BST to Auckland

Depending on seasonal clock changes, BST is 11 hours behind Auckland, BST is 12 hours behind Auckland, or GMT is 13 hours behind Auckland.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in BST correspond to 8:00 pm to 4:00 am (next day) in Auckland, working hours of 9:00 am to 5:00 pm in BST correspond to 9:00 pm to 5:00 am (next day) in Auckland, or working hours of 9:00 am to 5:00 pm in GMT correspond to 10:00 pm to 6:00 am (next day) in Auckland.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in BST correspond to 20:00 to 04:00 (next day) in Auckland, working hours of 09:00 to 17:00 in BST correspond to 21:00 to 05:00 (next day) in Auckland, or working hours of 09:00 to 17:00 in GMT correspond to 22:00 to 06:00 (next day) in Auckland.

Compare BST time with EDT, CDT, MDT, PDT, CET, EET, SGT, Melbourne, and Auckland time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

British Summer Time is 5 hours ahead of Eastern Daylight Time. British Summer Time is 6 hours ahead of Central Daylight Time. British Summer Time is 7 hours ahead of Mountain Daylight Time. British Summer Time is 8 hours ahead of Pacific Daylight Time. British Summer Time is 1 hour behind Central European Summer Time. British Summer Time is 2 hours behind Eastern European Summer Time. British Summer Time is 7 hours behind Singapore Time. British Summer Time is 9 hours behind AEST (Australian Eastern Standard Time). British Summer Time is 11 hours behind NZST (New Zealand Standard Time).
4:00 pm16:00 in BST is 11:00 am11:00 in EDT and is 10:00 am10:00 in CDT and is 9:00 am09:00 in MDT and is 8:00 am08:00 in PDT and is 5:00 pm17:00 in CEST and is 6:00 pm18:00 in EEST and is 11:00 pm23:00 in SGT and is 1:00 am01:00 in Melbourne, Australia and is 3:00 am03:00 in Auckland, New Zealand

BST to EDT call time
Best time for a conference call or a meeting is between 2pm-5pm14:00-17:00 in BST which corresponds to 9am-12pm09:00-12:00 in EDT
BST to CDT call time
Best time for a conference call or a meeting is between 3pm-5pm15:00-17:00 in BST which corresponds to 9am-11am09:00-11:00 in CDT
BST to MDT call time
Best time for a conference call or a meeting is between 4pm-5pm16:00-17:00 in BST which corresponds to 9am-10am09:00-10:00 in MDT
BST to PDT call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm16:30-17:30 in BST which corresponds to 8:30am-9:30am08:30-09:30 in PDT
BST to CEST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in BST which corresponds to 10am-5pm10:00-17:00 in CEST
BST to EEST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in BST which corresponds to 11am-5pm11:00-17:00 in EEST
BST to SGT call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in BST which corresponds to 4pm-5pm16:00-17:00 in SGT
BST to Melbourne call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in BST which corresponds to 5pm-6pm17:00-18:00 in Melbourne
BST to Auckland call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in BST which corresponds to 6pm-7pm18:00-19:00 in Auckland

4:00 pm16:00 British Summer Time (BST). Offset UTC +1:00 hour
11:00 am11:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:00 am10:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
9:00 am09:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
8:00 am08:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
5:00 pm17:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
6:00 pm18:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours
11:00 pm23:00 Singapore Time (SGT). Offset UTC +8:00 hours
1:00 am01:00 AEST (Australian Eastern Standard Time) (Melbourne, Australia). Offset UTC +10:00 hours
3:00 am03:00 NZST (New Zealand Standard Time) (Auckland, New Zealand). Offset UTC +12:00 hours

4:00 pm16:00 BST / 11:00 am11:00 EDT / 10:00 am10:00 CDT / 9:00 am09:00 MDT / 8:00 am08:00 PDT / 5:00 pm17:00 CEST / 6:00 pm18:00 EEST / 11:00 pm23:00 SGT / 1:00 am01:00 Melbourne, Australia / 3:00 am03:00 Auckland, New Zealand

BSTEDTCDTMDTPDTCESTEESTSGTMelbourne, AustraliaAuckland, New Zealand
12:00am7:00pm6:00pm5:00pm4:00pm1:00am2:00am7:00am9:00am11:00am
1:00am8:00pm7:00pm6:00pm5:00pm2:00am3:00am8:00am10:00am12:00pm
2:00am9:00pm8:00pm7:00pm6:00pm3:00am4:00am9:00am11:00am1:00pm
3:00am10:00pm9:00pm8:00pm7:00pm4:00am5:00am10:00am12:00pm2:00pm
4:00am11:00pm10:00pm9:00pm8:00pm5:00am6:00am11:00am1:00pm3:00pm
5:00am12:00am11:00pm10:00pm9:00pm6:00am7:00am12:00pm2:00pm4:00pm
6:00am1:00am12:00am11:00pm10:00pm7:00am8:00am1:00pm3:00pm5:00pm
7:00am2:00am1:00am12:00am11:00pm8:00am9:00am2:00pm4:00pm6:00pm
8:00am3:00am2:00am1:00am12:00am9:00am10:00am3:00pm5:00pm7:00pm
9:00am4:00am3:00am2:00am1:00am10:00am11:00am4:00pm6:00pm8:00pm
10:00am5:00am4:00am3:00am2:00am11:00am12:00pm5:00pm7:00pm9:00pm
11:00am6:00am5:00am4:00am3:00am12:00pm1:00pm6:00pm8:00pm10:00pm
12:00pm7:00am6:00am5:00am4:00am1:00pm2:00pm7:00pm9:00pm11:00pm
1:00pm8:00am7:00am6:00am5:00am2:00pm3:00pm8:00pm10:00pm12:00am
2:00pm9:00am8:00am7:00am6:00am3:00pm4:00pm9:00pm11:00pm1:00am
3:00pm10:00am9:00am8:00am7:00am4:00pm5:00pm10:00pm12:00am2:00am
4:00pm11:00am10:00am9:00am8:00am5:00pm6:00pm11:00pm1:00am3:00am
5:00pm12:00pm11:00am10:00am9:00am6:00pm7:00pm12:00am2:00am4:00am
6:00pm1:00pm12:00pm11:00am10:00am7:00pm8:00pm1:00am3:00am5:00am
7:00pm2:00pm1:00pm12:00pm11:00am8:00pm9:00pm2:00am4:00am6:00am
8:00pm3:00pm2:00pm1:00pm12:00pm9:00pm10:00pm3:00am5:00am7:00am
9:00pm4:00pm3:00pm2:00pm1:00pm10:00pm11:00pm4:00am6:00am8:00am
10:00pm5:00pm4:00pm3:00pm2:00pm11:00pm12:00am5:00am7:00am9:00am
11:00pm6:00pm5:00pm4:00pm3:00pm12:00am1:00am6:00am8:00am10:00am
00:0019:0018:0017:0016:0001:0002:0007:0009:0011:00
01:0020:0019:0018:0017:0002:0003:0008:0010:0012:00
02:0021:0020:0019:0018:0003:0004:0009:0011:0013:00
03:0022:0021:0020:0019:0004:0005:0010:0012:0014:00
04:0023:0022:0021:0020:0005:0006:0011:0013:0015:00
05:0000:0023:0022:0021:0006:0007:0012:0014:0016:00
06:0001:0000:0023:0022:0007:0008:0013:0015:0017:00
07:0002:0001:0000:0023:0008:0009:0014:0016:0018:00
08:0003:0002:0001:0000:0009:0010:0015:0017:0019:00
09:0004:0003:0002:0001:0010:0011:0016:0018:0020:00
10:0005:0004:0003:0002:0011:0012:0017:0019:0021:00
11:0006:0005:0004:0003:0012:0013:0018:0020:0022:00
12:0007:0006:0005:0004:0013:0014:0019:0021:0023:00
13:0008:0007:0006:0005:0014:0015:0020:0022:0000:00
14:0009:0008:0007:0006:0015:0016:0021:0023:0001:00
15:0010:0009:0008:0007:0016:0017:0022:0000:0002:00
16:0011:0010:0009:0008:0017:0018:0023:0001:0003:00
17:0012:0011:0010:0009:0018:0019:0000:0002:0004:00
18:0013:0012:0011:0010:0019:0020:0001:0003:0005:00
19:0014:0013:0012:0011:0020:0021:0002:0004:0006:00
20:0015:0014:0013:0012:0021:0022:0003:0005:0007:00
21:0016:0015:0014:0013:0022:0023:0004:0006:0008:00
22:0017:0016:0015:0014:0023:0000:0005:0007:0009:00
23:0018:0017:0016:0015:0000:0001:0006:0008:0010:00

British Summer Time

Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey

Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hourStart: British Summer Time (BST) started on Sunday, March 26, 2023 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 26, 2023, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: British Summer Time (BST) ends on Sunday, October 29, 2023 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 29, 2023, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States

Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Brooklyn, Borough of Queens, Montreal.

French: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

EDT Time Zone Geo Map
EDT timezone map

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).

Daylight saving time clock moves forward for one hourStart: Eastern Daylight Time (EDT) started on Sunday, March 12, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Eastern Daylight Time (EDT) ends on Sunday, November 5, 2023 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Ciudad Juarez, Dallas.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map
CDT timezone map

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).

Daylight saving time clock moves forward for one hourStart: Central Daylight Time (CDT) started on Sunday, March 12, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Central Daylight Time (CDT) ends on Sunday, November 5, 2023 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MDT time zone is Calgary in Canada, with about 1.307 million people. Other major cities in this time zone include Edmonton, Denver, El Paso, Albuquerque.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map
MDT timezone map

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Mountain Standard Time (MST).

Daylight saving time clock moves forward for one hourStart: Mountain Daylight Time (MDT) started on Sunday, March 12, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Mountain Daylight Time (MDT) ends on Sunday, November 5, 2023 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).

Daylight saving time clock moves forward for one hourStart: Pacific Daylight Time (PDT) started on Sunday, March 12, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Pacific Daylight Time (PDT) ends on Sunday, November 5, 2023 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone

Central European Time

Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City

Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.

German: MEZ - Mitteleuropäische Zeit

CET Time Zone Geo Map
CET timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).

Daylight saving time clock moves forward for one hourEnd: Central European Time (CET) ended on Sunday, March 26, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 26, 2023, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

Daylight saving time clock moves back for one hourStart: Central European Time (CET) starts on Sunday, October 29, 2023 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 29, 2023, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

CET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Algiers
  • Africa/Ceuta
  • Africa/Tunis
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Eastern European Time

Offset: EET is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Åland Islands, Bulgaria, Cyprus, Estonia, Egypt, Finland, Greece, Lebanon, Lithuania, Latvia, Libya, Moldova, Palestine, Romania, Russia, Ukraine

Principal Cities: The largest city in the EET time zone is Cairo in Egypt, with about 9.607 million people. Other major cities in this time zone include Alexandria, Kiev, Al Jizah, Beirut.

German: OEZ - Osteuropäische Zeit

EET Time Zone Geo Map
EET timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern European Summer Time (EEST).

Daylight saving time clock moves forward for one hourEnd: Eastern European Time (EET) ended on Sunday, March 26, 2023 at 3:00 am03:00 local time and clocks were set one hour forward to Sunday, March 26, 2023, 4:00 am04:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

Daylight saving time clock moves back for one hourStart: Eastern European Time (EET) starts on Sunday, October 29, 2023 at 4:00 am04:00 local time and clocks are set one hour back to Sunday, October 29, 2023, 3:00 am03:00. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

EET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for EET
  • B - short form of 'Bravo'
IANA/Olson: Reflects EET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Cairo
  • Africa/Tripoli
  • Asia/Beirut
  • Asia/Famagusta
  • Asia/Gaza
  • Asia/Hebron
  • Asia/Nicosia
  • EET
  • Egypt
  • Europe/Athens
  • Europe/Bucharest
  • Europe/Chisinau
  • Europe/Helsinki
  • Europe/Kaliningrad
  • Europe/Kiev
  • Europe/Kyiv
  • Europe/Mariehamn
  • Europe/Nicosia
  • Europe/Riga
  • Europe/Sofia
  • Europe/Tallinn
  • Europe/Tiraspol
  • Europe/Uzhgorod
  • Europe/Vilnius
  • Europe/Zaporozhye
  • Libya
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time

Singapore Time

Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Singapore

Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 5.639 million people.

Daylight Saving: Clocks in Singapore Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

SGT Time Zone Geo Map
SGT timezone map

SGT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for SGT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

Melbourne Information

Time Zone

Abbreviation / Name
AEDT - Australian Eastern Daylight Time
AEST - Australian Eastern Standard Time
UTC / GMT Offset
+11:00 hours during Australian Eastern Daylight Time, currently in use.
+10:00 hours during Australian Eastern Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hourSunday, October 4, 2026 at 2:00 amSunday, October 4, 2026 at 02:00 local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 amSunday, October 4, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves backward for one hourSunday, April 5, 2026 at 3:00 amSunday, April 5, 2026 at 03:00 local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 amSunday, April 5, 2026 at 02:00 local standard time instead. Also called Fall Back or switch to Winter Time.

Melbourne Facts

Country
Australia
Alternative Names
MEL, Mel'burn, Melbourne, Melbourne City, Melbournum, Melburn, Melburna, Melburnas, Melburno, Melvourni, mel beirn, melaborna, melbeoleun, melbeon, melporn, meruborun, mlbwrn, mo er ben, Μελβούρνη, Мелбурн, Мелбърн, Мельбурн, מלבורן, ملبورن, مېلبۇرن, मेलबोर्न, மெல்போர்ன், เมลเบิร์น, མེར་བུན, メルボルン, 墨尔本, 墨爾本, 멜버른, 멜번
Population
5,435,590
Currency
Dollar (AUD)
Geographic Coordinates
37° 48' S Latitude / 144° 57' E Longitude
International Dialing Code
+61

Auckland Information

Time Zone

Abbreviation / Name
NZDT - New Zealand Daylight Time
NZST - New Zealand Standard Time
UTC / GMT Offset
+13:00 hours during New Zealand Daylight Time, currently in use.
+12:00 hours during New Zealand Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hourSunday, September 27, 2026 at 2:00 amSunday, September 27, 2026 at 02:00 local time. DST starts annually on the last Sunday of September. Clocks are turned forward 1 hour to Sunday, September 27, 2026 at 3:00 amSunday, September 27, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves backward for one hourSunday, April 5, 2026 at 3:00 amSunday, April 5, 2026 at 03:00 local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 amSunday, April 5, 2026 at 02:00 local standard time instead. Also called Fall Back or switch to Winter Time.

Auckland Facts

Country
New Zealand
Alternative Names
AKL, Auckland, Aucland, Aucopolis, Awklanda, Okland, Oklandas, Oklant, Oklend, Oklenda, Tamaki-makau-rau, Tāmaki-makau-rau, akalyanda, akland, aklant, ao ke lan dou hui qu, awkland, awklnd, okalanda, okalenda, okeullaendeu, oklainda, okurando, yavkland, Ώκλαντ, Окланд, Окленд, Օկլենդ, אוקלנד, آوکلند, أوكلاند, ئاۋكلاند, ऑकलंड, ऑक्लैण्ड, অকল্যান্ড, ઓકલેન્ડ, ஆக்லன்ட், ఆక్లాండ్, ಆಕ್ಲೆಂಡ್‌, ഓക്‌ലൻഡ്, โอกแลนด์, အော့ကလန်မြို့, ოკლენდი, オークランド, 奧克蘭都會區, 오클랜드
Population
1,547,200
Currency
Dollar (NZD)
Geographic Coordinates
36° 50' S Latitude / 174° 45' E Longitude
International Dialing Code
+64