Updating current time…
IST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PKT
UTC+5
30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EAT
UTC+3
2h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET/CEST
UTC+1
4h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Europe is on standard time: CET (UTC+1) until Sun, Mar 28, 2027.
WAT
UTC+1
4h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
UTC+0
5h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST/EDT
UTC−5
10h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on standard time: EST (UTC−5) until Sun, Mar 14, 2027.
CST
UTC−6
11h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST/PDT
UTC−8
13h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Pacific Time is on standard time: PST (UTC−8) until Sun, Mar 14, 2027.

Quick answers

Selected conversion

10:00 pm22:00 IST (UTC+5:30), Nov 1, 2026 = 9:30 pm21:30 PKT (UTC+5), Nov 1, 2026 = 7:30 pm19:30 EAT (UTC+3), Nov 1, 2026 = 5:30 pm17:30 CET (UTC+1), Nov 1, 2026 = 5:30 pm17:30 WAT (UTC+1), Nov 1, 2026 = 4:30 pm16:30 GMT (UTC+0), Nov 1, 2026 = 11:30 am11:30 EST (UTC-5), Nov 1, 2026 = 10:30 am10:30 CST (UTC-6), Nov 1, 2026 = 8:30 am08:30 PST (UTC-8), Nov 1, 2026

IST is 30 minutes ahead of PKT. IST is 2 hours and 30 minutes ahead of EAT. IST is 4 hours and 30 minutes ahead of CET. IST is 4 hours and 30 minutes ahead of WAT. IST is 5 hours and 30 minutes ahead of GMT. IST is 10 hours and 30 minutes ahead of EST. IST is 11 hours and 30 minutes ahead of CST. IST is 13 hours and 30 minutes ahead of PST.

How the time difference changes

IST to PKT

IST is 30 minutes ahead of PKT year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 8:30 am to 5:30 pm in PKT.Working hours of 09:00 to 18:00 in IST correspond to 08:30 to 17:30 in PKT.

IST to EAT

IST is 2 hours and 30 minutes ahead of EAT year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 6:30 am to 3:30 pm in EAT.Working hours of 09:00 to 18:00 in IST correspond to 06:30 to 15:30 in EAT.

IST to CEST

For most of the year, IST is 3 hours and 30 minutes ahead of CEST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, IST is 4 hours and 30 minutes ahead of CET.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 5:30 am to 2:30 pm in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 4:30 am to 1:30 pm in CET.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 05:30 to 14:30 in CEST. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 04:30 to 13:30 in CET.

IST to WAT

IST is 4 hours and 30 minutes ahead of WAT year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 4:30 am to 1:30 pm in WAT.Working hours of 09:00 to 18:00 in IST correspond to 04:30 to 13:30 in WAT.

IST to GMT

IST is 5 hours and 30 minutes ahead of GMT year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 3:30 am to 12:30 pm in GMT.Working hours of 09:00 to 18:00 in IST correspond to 03:30 to 12:30 in GMT.

IST to EDT

For most of the year, IST is 9 hours and 30 minutes ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, IST is 10 hours and 30 minutes ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 11:30 pm (previous day) to 8:30 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 pm (previous day) to 7:30 am in EST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 23:30 (previous day) to 08:30 in EDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 22:30 (previous day) to 07:30 in EST.

IST to CST

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

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 pm (previous day) to 7:30 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 9:30 pm (previous day) to 6:30 am in CST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 22:30 (previous day) to 07:30 in CDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 21:30 (previous day) to 06:30 in CST.

IST to PDT

For most of the year, IST is 12 hours and 30 minutes ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, IST is 13 hours and 30 minutes ahead of PST.

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

Compare IST time with PKT, EAT, CEST, WAT, GMT, EDT, CST, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 30 minutes ahead of Pakistan Standard Time. India Standard Time is 2 hours and 30 minutes ahead of Eastern Africa Time. India Standard Time is 4 hours and 30 minutes ahead of Central European Time. India Standard Time is 4 hours and 30 minutes ahead of West Africa Time. India Standard Time is 5 hours and 30 minutes ahead of Greenwich Mean Time. India Standard Time is 10 hours and 30 minutes ahead of Eastern Standard Time. India Standard Time is 11 hours and 30 minutes ahead of Central Standard Time. India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time.
10:00 pm22:00 in IST is 9:30 pm21:30 in PKT and is 7:30 pm19:30 in EAT and is 5:30 pm17:30 in CET and is 5:30 pm17:30 in WAT and is 4:30 pm16:30 in GMT and is 11:30 am11:30 in EST and is 10:30 am10:30 in CST and is 8:30 am08:30 in PST

IST to PKT call time
Best time for a conference call or a meeting is between 9:30am-6pm09:30-18:00 in IST which corresponds to 9am-5:30pm09:00-17:30 in PKT
IST to EAT call time
Best time for a conference call or a meeting is between 11:30am-6pm11:30-18:00 in IST which corresponds to 9am-3:30pm09:00-15:30 in EAT
IST to CET call time
Best time for a conference call or a meeting is between 1:30pm-6pm13:30-18:00 in IST which corresponds to 9am-1:30pm09:00-13:30 in CET
IST to WAT call time
Best time for a conference call or a meeting is between 1:30pm-6pm13:30-18:00 in IST which corresponds to 9am-1:30pm09:00-13:30 in WAT
IST to GMT call time
Best time for a conference call or a meeting is between 2:30pm-6pm14:30-18:00 in IST which corresponds to 9am-12:30pm09:00-12:30 in GMT
IST to EST call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in IST which corresponds to 8am-9am08:00-09:00 in EST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to CST call time
Best time for a conference call or a meeting is between 7pm-8pm19:00-20:00 in IST which corresponds to 7:30am-8:30am07:30-08:30 in CST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to PDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in IST which corresponds to 7pm-8pm19:00-20:00 in PDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

10:00 pm22:00 India Standard Time (IST). Offset UTC +5:30 hours
9:30 pm21:30 Pakistan Standard Time (PKT). Offset UTC +5:00 hours
7:30 pm19:30 Eastern Africa Time (EAT). Offset UTC +3:00 hours
5:30 pm17:30 Central European Time (CET). Offset UTC +1:00 hour
5:30 pm17:30 West Africa Time (WAT). Offset UTC +1:00 hour
4:30 pm16:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
11:30 am11:30 Eastern Standard Time (EST). Offset UTC -5:00 hours
10:30 am10:30 Central Standard Time (CST). Offset UTC -6:00 hours
8:30 am08:30 Pacific Standard Time (PST). Offset UTC -8:00 hours

10:00 pm22:00 IST / 9:30 pm21:30 PKT / 7:30 pm19:30 EAT / 5:30 pm17:30 CET / 5:30 pm17:30 WAT / 4:30 pm16:30 GMT / 11:30 am11:30 EST / 10:30 am10:30 CST / 8:30 am08:30 PST

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
ISTPKTEATCETWATGMTESTCSTPST
11:30pm previous day9:30pm previous day7:30pm previous day7:30pm previous day6:30pm previous day2:30pm previous day EDT UTC-41:30pm previous day CDT UTC-511:30am previous day PDT UTC-7
12:30am10:30pm previous day8:30pm previous day8:30pm previous day7:30pm previous day3:30pm previous day EDT UTC-42:30pm previous day CDT UTC-512:30pm previous day PDT UTC-7
1:30am11:30pm previous day9:30pm previous day9:30pm previous day8:30pm previous day4:30pm previous day EDT UTC-43:30pm previous day CDT UTC-51:30pm previous day PDT UTC-7
2:30am12:30am10:30pm previous day10:30pm previous day9:30pm previous day5:30pm previous day EDT UTC-44:30pm previous day CDT UTC-52:30pm previous day PDT UTC-7
3:30am1:30am11:30pm previous day11:30pm previous day10:30pm previous day6:30pm previous day EDT UTC-45:30pm previous day CDT UTC-53:30pm previous day PDT UTC-7
4:30am2:30am12:30am12:30am11:30pm previous day7:30pm previous day EDT UTC-46:30pm previous day CDT UTC-54:30pm previous day PDT UTC-7
5:30am3:30am1:30am1:30am12:30am8:30pm previous day EDT UTC-47:30pm previous day CDT UTC-55:30pm previous day PDT UTC-7
6:30am4:30am2:30am2:30am1:30am9:30pm previous day EDT UTC-48:30pm previous day CDT UTC-56:30pm previous day PDT UTC-7
7:30am5:30am3:30am3:30am2:30am10:30pm previous day EDT UTC-49:30pm previous day CDT UTC-57:30pm previous day PDT UTC-7
8:30am6:30am4:30am4:30am3:30am11:30pm previous day EDT UTC-410:30pm previous day CDT UTC-58:30pm previous day PDT UTC-7
9:30am7:30am5:30am5:30am4:30am12:30am EDT UTC-411:30pm previous day CDT UTC-59:30pm previous day PDT UTC-7
10:30am8:30am6:30am6:30am5:30am1:30am EDT UTC-412:30am CDT UTC-510:30pm previous day PDT UTC-7
11:30am9:30am7:30am7:30am6:30am1:30am1:30am CDT UTC-511:30pm previous day PDT UTC-7
12:30pm10:30am8:30am8:30am7:30am2:30am1:30am12:30am PDT UTC-7
1:30pm11:30am9:30am9:30am8:30am3:30am2:30am1:30am PDT UTC-7
2:30pm12:30pm10:30am10:30am9:30am4:30am3:30am1:30am
3:30pm1:30pm11:30am11:30am10:30am5:30am4:30am2:30am
4:30pm2:30pm12:30pm12:30pm11:30am6:30am5:30am3:30am
5:30pm3:30pm1:30pm1:30pm12:30pm7:30am6:30am4:30am
6:30pm4:30pm2:30pm2:30pm1:30pm8:30am7:30am5:30am
7:30pm5:30pm3:30pm3:30pm2:30pm9:30am8:30am6:30am
8:30pm6:30pm4:30pm4:30pm3:30pm10:30am9:30am7:30am
9:30pm7:30pm5:30pm5:30pm4:30pm11:30am10:30am8:30am
10:30pm8:30pm6:30pm6:30pm5:30pm12:30pm11:30am9:30am
23:30 previous day21:30 previous day19:30 previous day19:30 previous day18:30 previous day14:30 previous day EDT UTC-413:30 previous day CDT UTC-511:30 previous day PDT UTC-7
00:3022:30 previous day20:30 previous day20:30 previous day19:30 previous day15:30 previous day EDT UTC-414:30 previous day CDT UTC-512:30 previous day PDT UTC-7
01:3023:30 previous day21:30 previous day21:30 previous day20:30 previous day16:30 previous day EDT UTC-415:30 previous day CDT UTC-513:30 previous day PDT UTC-7
02:3000:3022:30 previous day22:30 previous day21:30 previous day17:30 previous day EDT UTC-416:30 previous day CDT UTC-514:30 previous day PDT UTC-7
03:3001:3023:30 previous day23:30 previous day22:30 previous day18:30 previous day EDT UTC-417:30 previous day CDT UTC-515:30 previous day PDT UTC-7
04:3002:3000:3000:3023:30 previous day19:30 previous day EDT UTC-418:30 previous day CDT UTC-516:30 previous day PDT UTC-7
05:3003:3001:3001:3000:3020:30 previous day EDT UTC-419:30 previous day CDT UTC-517:30 previous day PDT UTC-7
06:3004:3002:3002:3001:3021:30 previous day EDT UTC-420:30 previous day CDT UTC-518:30 previous day PDT UTC-7
07:3005:3003:3003:3002:3022:30 previous day EDT UTC-421:30 previous day CDT UTC-519:30 previous day PDT UTC-7
08:3006:3004:3004:3003:3023:30 previous day EDT UTC-422:30 previous day CDT UTC-520:30 previous day PDT UTC-7
09:3007:3005:3005:3004:3000:30 EDT UTC-423:30 previous day CDT UTC-521:30 previous day PDT UTC-7
10:3008:3006:3006:3005:3001:30 EDT UTC-400:30 CDT UTC-522:30 previous day PDT UTC-7
11:3009:3007:3007:3006:3001:3001:30 CDT UTC-523:30 previous day PDT UTC-7
12:3010:3008:3008:3007:3002:3001:3000:30 PDT UTC-7
13:3011:3009:3009:3008:3003:3002:3001:30 PDT UTC-7
14:3012:3010:3010:3009:3004:3003:3001:30
15:3013:3011:3011:3010:3005:3004:3002:30
16:3014:3012:3012:3011:3006:3005:3003:30
17:3015:3013:3013:3012:3007:3006:3004:30
18:3016:3014:3014:3013:3008:3007:3005:30
19:3017:3015:3015:3014:3009:3008:3006:30
20:3018:3016:3016:3015:3010:3009:3007:30
21:3019:3017:3017:3016:3011:3010:3008:30
22:3020:3018:3018:3017:3012:3011:3009:30

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

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

Pakistan Standard Time

Offset: PKT is 5 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Pakistan

Principal Cities: The largest city in the PKT time zone is Lahore in Pakistan, with about 13.004 million people. Other major cities in this time zone include Karachi, Peshawar, Faisalabad, Rawalpindi.

Daylight Saving: Clocks in Pakistan Standard Time (PKT) do not change for daylight saving time, so PKT 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 Pakistan: Pakistan time now

PKT 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for PKT
  • E - short form of 'Echo'
IANA/Olson: Reflects PKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Karachi
Time zones with the GMT +5 offset:
  • ALMT - Alma-Ata Time
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • QYZT - Qyzylorda Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time

Eastern Africa Time

Offset: EAT is 3 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Comoros, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Mayotte, Somalia, Tanzania, Uganda

Principal Cities: The largest city in the EAT time zone is Dar es Salaam in Tanzania, with about 5.384 million people. Other major cities in this time zone include Nairobi, Addis Ababa, Mogadishu, Kampala.

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

EAT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +03 - basic short
  • +0300 - basic
  • +03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for EAT
  • C - short form of 'Charlie'
IANA/Olson: Reflects EAT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Addis_Ababa
  • Africa/Asmara
  • Africa/Asmera
  • Africa/Dar_es_Salaam
  • Africa/Djibouti
  • Africa/Kampala
  • Africa/Mogadishu
  • Africa/Nairobi
  • Indian/Antananarivo
  • Indian/Comoro
  • Indian/Mayotte
Time zones with the GMT +3 offset:
  • EEST - Eastern European Summer Time
  • MSK - Moscow Standard Time
  • AST - Arabia Standard Time
  • C - Charlie Time Zone
  • EAT - Eastern Africa Time
  • FET - Further Eastern European Time
  • IDT - Israel Daylight Time
  • TRT - Turkey Time

Central European Summer Time

Offset: CEST is 2 hours ahead of Greenwich Mean Time (GMT).

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

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

German: MESZ - Mitteleuropäische Sommerzeit

Map of the areas on Central European Summer Time (CEST)
CEST part of the year

Today the shaded areas are on UTC+1 (CET).

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

123456789101112End: Central European Summer Time (CEST) ended on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

123456789101112Start: Central European Summer Time (CEST) starts on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

See upcoming clock changes worldwide.

CEST 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 CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • 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 +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

West Africa Time

Offset: WAT is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Angola, Benin, Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Niger, Nigeria, Republic of the Congo

Principal Cities: The largest city in the WAT time zone is Kinshasa in the Democratic Republic of the Congo, with about 16 million people. Other major cities in this time zone include Lagos, Kano, Ibadan, Luanda.

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

WAT 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 WAT
  • A - short form of 'Alpha'
IANA/Olson: Reflects WAT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Bangui
  • Africa/Brazzaville
  • Africa/Douala
  • Africa/Kinshasa
  • Africa/Lagos
  • Africa/Libreville
  • Africa/Luanda
  • Africa/Malabo
  • Africa/Ndjamena
  • Africa/Niamey
  • Africa/Porto-Novo
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

Greenwich Mean Time

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

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

Principal Cities: The largest city in the GMT 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.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today all shaded areas are on GMT.

GMT 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 GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
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

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Haiti, Turks and Caicos Islands, 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, Montréal, Philadelphia, Port-au-Prince.

French: HAE - Heure Avancée de l'Est

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

Map of the areas on Eastern Daylight Time (EDT)
EDT part of the year

Today the shaded areas are on UTC−5 (EST).

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

123456789101112End: Eastern Daylight Time (EDT) 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: Eastern Daylight Time (EDT) 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.

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
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

Today all shaded areas are on CST.

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

123456789101112Start: Central Standard Time (CST) 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: Central Standard Time (CST) 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.

CST 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 CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
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).

Countries using this time zone: 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

Map of the areas on Pacific Daylight Time (PDT)
PDT part of the year

Today the shaded areas are on UTC−8 (Pacific Standard Time).

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

123456789101112End: Pacific Daylight Time (PDT) 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: Pacific Daylight Time (PDT) 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.

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