CDT to NZDT to EST to SGT to Sydney to IST to UTC Time Converter

Updating current time…
CST/CDT
Central Standard Time
UTC−6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on standard time: CST (UTC−6) until Sun, Mar 14, 2027.
Keep CDT (UTC−5)
NZDT
New Zealand Daylight Time
UTC+13
tomorrow (next day)
19h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
Eastern Standard Time
UTC−5
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SGT
Singapore Time
UTC+8
14h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Sydney
AustraliaAEDT
UTC+11
17h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
India Standard Time
UTC+5:30
11h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UTC
Coordinated Universal Time
UTC+0
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

6:00 am06:00 CST (UTC-6), Nov 9, 2026 = 1:00 am01:00 NZDT (UTC+13), Nov 10, 2026 = 7:00 am07:00 EST (UTC-5), Nov 9, 2026 = 8:00 pm20:00 SGT (UTC+8), Nov 9, 2026 = 11:00 pm23:00 AEDT (UTC+11), Nov 9, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 9, 2026 = 12:00 pm12:00 UTC (UTC+0), Nov 9, 2026

CST is 19 hours behind NZDT. CST is 1 hour behind EST. CST is 14 hours behind SGT. CST is 17 hours behind Sydney. CST is 11 hours and 30 minutes behind IST. CST is 6 hours behind UTC.

How the time difference changes

CDT to NZDT

Depending on seasonal clock changes, CDT is 17 hours behind NZST, CDT is 18 hours behind NZDT, or CST is 19 hours behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in CDT correspond to 2:00 am (next day) to 11:00 am (next day) in NZST, working hours of 9:00 am to 6:00 pm in CDT correspond to 3:00 am (next day) to 12:00 pm (next day) in NZDT, or working hours of 9:00 am to 6:00 pm in CST correspond to 4:00 am (next day) to 1:00 pm (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in CDT correspond to 02:00 (next day) to 11:00 (next day) in NZST, working hours of 09:00 to 18:00 in CDT correspond to 03:00 (next day) to 12:00 (next day) in NZDT, or working hours of 09:00 to 18:00 in CST correspond to 04:00 (next day) to 13:00 (next day) in NZDT.

CDT to EST

For most of the year, CDT is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 1 hour behind EST. Briefly around clock changes, CDT and EST have the same time or CST is 2 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 10:00 am to 7:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 10:00 am to 7:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 10:00 to 19:00 in EST.

CDT to SGT

For most of the year, CDT is 13 hours behind SGT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 14 hours behind SGT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 10:00 pm to 7:00 am (next day) in SGT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 11:00 pm to 8:00 am (next day) in SGT.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 22:00 to 07:00 (next day) in SGT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 23:00 to 08:00 (next day) in SGT.

CDT to Sydney

Depending on seasonal clock changes, CDT is 15 hours behind Sydney, CDT is 16 hours behind Sydney, or CST is 17 hours behind Sydney.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in CDT correspond to 12:00 am (next day) to 9:00 am (next day) in Sydney, working hours of 9:00 am to 6:00 pm in CDT correspond to 1:00 am (next day) to 10:00 am (next day) in Sydney, or working hours of 9:00 am to 6:00 pm in CST correspond to 2:00 am (next day) to 11:00 am (next day) in Sydney.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in CDT correspond to 00:00 (next day) to 09:00 (next day) in Sydney, working hours of 09:00 to 18:00 in CDT correspond to 01:00 (next day) to 10:00 (next day) in Sydney, or working hours of 09:00 to 18:00 in CST correspond to 02:00 (next day) to 11:00 (next day) in Sydney.

CDT to IST

For most of the year, CDT is 10 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 11 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 7:30 pm to 4:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 8:30 pm to 5:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 19:30 to 04:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 20:30 to 05:30 (next day) in IST.

CDT to UTC

For most of the year, CDT is 5 hours behind UTC. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 6 hours behind UTC.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 2:00 pm to 11:00 pm in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 3:00 pm to 12:00 am (next day) in UTC.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 14:00 to 23:00 in UTC. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 15:00 to 00:00 (next day) in UTC.

Compare CDT time with NZDT, EST, SGT, Sydney, IST, and UTC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central Standard Time is 19 hours behind New Zealand Daylight Time. Central Standard Time is 1 hour behind Eastern Standard Time. Central Standard Time is 14 hours behind Singapore Time. Central Standard Time is 17 hours behind AEDT (Australian Eastern Daylight Time). Central Standard Time is 11 hours and 30 minutes behind India Standard Time. Central Standard Time is 6 hours behind Coordinated Universal Time.
6:00 am06:00 in CST is 1:00 am01:00 in NZDT (next day) and is 7:00 am07:00 in EST and is 8:00 pm20:00 in SGT and is 11:00 pm23:00 in Sydney, Australia and is 5:30 pm17:30 in IST and is 12:00 pm12:00 in UTC

CST to NZDT call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in CST which corresponds to 9am-1pm09:00-13:00 in NZDT (next day).
CST to EST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in CST which corresponds to 10am-6pm10:00-18:00 in EST.
CST to SGT call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in CST which corresponds to 8am-9am08:00-09:00 in SGT (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
CST to Sydney call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in CST which corresponds to 9am-11am09:00-11:00 in Sydney (next day).
CST to IST call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in CST which corresponds to 7pm-8pm19:00-20:00 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
CST to UTC call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in CST which corresponds to 3pm-6pm15:00-18:00 in UTC.

6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
8:00 pm20:00 Singapore Time (SGT). Offset UTC +8:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours

6:00 am06:00 CST / 1:00 am01:00 NZDT (next day) / 7:00 am07:00 EST / 8:00 pm20:00 SGT / 11:00 pm23:00 Sydney, Australia / 5:30 pm17:30 IST / 12:00 pm12:00 UTC

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
CSTNZDTESTSGTSydney, AustraliaISTUTC
7:00pm1:00am2:00pm5:00pm11:30am6:00am
8:00pm2:00am3:00pm6:00pm12:30pm7:00am
9:00pm3:00am4:00pm7:00pm1:30pm8:00am
10:00pm4:00am5:00pm8:00pm2:30pm9:00am
11:00pm5:00am6:00pm9:00pm3:30pm10:00am
12:00am next day6:00am7:00pm10:00pm4:30pm11:00am
1:00am next day7:00am8:00pm11:00pm5:30pm12:00pm
2:00am next day8:00am9:00pm12:00am next day6:30pm1:00pm
3:00am next day9:00am10:00pm1:00am next day7:30pm2:00pm
4:00am next day10:00am11:00pm2:00am next day8:30pm3:00pm
5:00am next day11:00am12:00am next day3:00am next day9:30pm4:00pm
6:00am next day12:00pm1:00am next day4:00am next day10:30pm5:00pm
7:00am next day1:00pm2:00am next day5:00am next day11:30pm6:00pm
8:00am next day2:00pm3:00am next day6:00am next day12:30am next day7:00pm
9:00am next day3:00pm4:00am next day7:00am next day1:30am next day8:00pm
10:00am next day4:00pm5:00am next day8:00am next day2:30am next day9:00pm
11:00am next day5:00pm6:00am next day9:00am next day3:30am next day10:00pm
12:00pm next day6:00pm7:00am next day10:00am next day4:30am next day11:00pm
1:00pm next day7:00pm8:00am next day11:00am next day5:30am next day12:00am next day
2:00pm next day8:00pm9:00am next day12:00pm next day6:30am next day1:00am next day
3:00pm next day9:00pm10:00am next day1:00pm next day7:30am next day2:00am next day
4:00pm next day10:00pm11:00am next day2:00pm next day8:30am next day3:00am next day
5:00pm next day11:00pm12:00pm next day3:00pm next day9:30am next day4:00am next day
6:00pm next day12:00am next day1:00pm next day4:00pm next day10:30am next day5:00am next day
19:0001:0014:0017:0011:3006:00
20:0002:0015:0018:0012:3007:00
21:0003:0016:0019:0013:3008:00
22:0004:0017:0020:0014:3009:00
23:0005:0018:0021:0015:3010:00
00:00 next day06:0019:0022:0016:3011:00
01:00 next day07:0020:0023:0017:3012:00
02:00 next day08:0021:0000:00 next day18:3013:00
03:00 next day09:0022:0001:00 next day19:3014:00
04:00 next day10:0023:0002:00 next day20:3015:00
05:00 next day11:0000:00 next day03:00 next day21:3016:00
06:00 next day12:0001:00 next day04:00 next day22:3017:00
07:00 next day13:0002:00 next day05:00 next day23:3018:00
08:00 next day14:0003:00 next day06:00 next day00:30 next day19:00
09:00 next day15:0004:00 next day07:00 next day01:30 next day20:00
10:00 next day16:0005:00 next day08:00 next day02:30 next day21:00
11:00 next day17:0006:00 next day09:00 next day03:30 next day22:00
12:00 next day18:0007:00 next day10:00 next day04:30 next day23:00
13:00 next day19:0008:00 next day11:00 next day05:30 next day00:00 next day
14:00 next day20:0009:00 next day12:00 next day06:30 next day01:00 next day
15:00 next day21:0010:00 next day13:00 next day07:30 next day02:00 next day
16:00 next day22:0011:00 next day14:00 next day08:30 next day03:00 next day
17:00 next day23:0012:00 next day15:00 next day09:30 next day04:00 next day
18:00 next day00:00 next day13:00 next day16:00 next day10:30 next day05:00 next day

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).

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, Dallas, Fort Worth.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Map of the areas on Central Daylight Time (CDT)
CDT part of the year

Today the shaded areas are on UTC−6 (Central Standard Time).

Open the world time zone map© OpenStreetMap

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

123456789101112End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and 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

New Zealand Daylight Time

Offset: NZDT is 13 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, New Zealand

Principal Cities: The largest city in the NZDT time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.

Map of the areas on New Zealand Daylight Time (NZDT)
NZDT part of the year

Today all shaded areas are on NZDT.

Open the world time zone map© OpenStreetMap

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

123456789101112Start: New Zealand Daylight Time (NZDT) started on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of September.

123456789101112End: New Zealand Daylight Time (NZDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See New Zealand daylight saving time and upcoming clock changes worldwide.

NZDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
IANA/Olson: Reflects NZDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST 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, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today all shaded areas are on EST.

Open the world time zone map© OpenStreetMap

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

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

EST 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 EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • 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/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
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

Singapore Time

Offset: SGT is 8 hours ahead of Greenwich Mean Time (GMT).

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.

Current time in Singapore: Singapore time now

Map of the areas on Singapore Time (SGT)
SGT all year

Open the world time zone map© OpenStreetMap

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

Sydney Time Zone and Facts

Time Zone

Abbreviation / Offset
AEDT – Australian Eastern Daylight Time, UTC+11 (now, daylight saving time)
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 3:00 amSunday, April 4, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (AEST). DST ends on the 1st Sunday of April each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, October 3, 2027 at 2:00 amSunday, October 3, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (AEDT). DST starts on the 1st Sunday of October each year. Also called Spring Forward or Summer Time.
Clock Changes
Australia daylight saving time · Clock changes worldwide

Sydney Facts

Country
Australia
Alternative Names
SYD, Sanctus Dionysius, Sedniejos, Sek-na, Sidnef, Sidnei, Sidnej, Sidneja, Sidnejo, Sidnejus, Sidney, Sidneý, Sidni, Sidnéy, Sidnėjus, Sit-ni, Sit-nì, Syd, Sydneium, Sydney, Sydney City, Sék-nà̤, Sídney, Sîdney, Sėdniejos, citni, shidoni, sidani, sideuni, sidnei, sidni, sidniy, sydny, xi ni, xue li, Σίδνεϋ, Сиднеи, Сидней, Сиднеј, Сидни, Сідней, Сідні, Սիդնեյ, סידני, سيدنى, سيدني, سڈنی, سیدنی, ܣܝܕܢܝ, सिडनी, सिड्नी, सिद्नी, সিডনি, ਸਿਡਨੀ, સીડની, சிட்னி, సిడ్నీ, ಸಿಡ್ನಿ, സിഡ്നി, සිඩ්නි, ซิดนีย์, སིད་ནེ།, ဆစ်ဒနီမြို့, სიდნეი, ሲድኒ, ស៊ីដនីយ៏, シドニー, 悉尼, 雪梨, 시드니
Population
5,638,830
Currency
Dollar (AUD)
Geographic Coordinates
33° 52' S Latitude / 151° 12' E Longitude
International Dialing Code
+61
More About Sydney
Sydney time now

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

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

Current time in India: India time now

Map of the areas on India Standard Time (IST)
IST all year

Open the world time zone map© OpenStreetMap

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC−1.

Open the world time zone map© OpenStreetMap

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone