IST to PKT to EAT to CEST to WAT to BST to GMT to EST to CDT to PDT Time Converter
Central Europe is on standard time: CET (UTC+1) until Sun, Mar 28, 2027.
The United Kingdom is on standard time: GMT (UTC+0) until Sun, Mar 28, 2027.
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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 = 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 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 BST
For most of the year, IST is 4 hours and 30 minutes ahead of BST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, IST is 5 hours and 30 minutes ahead of GMT.
For most 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 BST. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 3:30 am to 12:30 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 04:30 to 13:30 in BST. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 03:30 to 12:30 in GMT.
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 EST
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 CDT
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, BST, GMT, EST, CDT, 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 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 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 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
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 / 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.
| IST | PKT | EAT | CET | WAT | GMT | GMT | EST | CST | PST |
|---|---|---|---|---|---|---|---|---|---|
| 11:30pm previous day | 9:30pm previous day | 7:30pm previous day | 7:30pm previous day | 6:30pm previous day | 6:30pm previous day | 2:30pm previous day EDT UTC-4 | 1:30pm previous day CDT UTC-5 | 11:30am previous day PDT UTC-7 | |
| 12:30am | 10:30pm previous day | 8:30pm previous day | 8:30pm previous day | 7:30pm previous day | 7:30pm previous day | 3:30pm previous day EDT UTC-4 | 2:30pm previous day CDT UTC-5 | 12:30pm previous day PDT UTC-7 | |
| 1:30am | 11:30pm previous day | 9:30pm previous day | 9:30pm previous day | 8:30pm previous day | 8:30pm previous day | 4:30pm previous day EDT UTC-4 | 3:30pm previous day CDT UTC-5 | 1:30pm previous day PDT UTC-7 | |
| 2:30am | 12:30am | 10:30pm previous day | 10:30pm previous day | 9:30pm previous day | 9:30pm previous day | 5:30pm previous day EDT UTC-4 | 4:30pm previous day CDT UTC-5 | 2:30pm previous day PDT UTC-7 | |
| 3:30am | 1:30am | 11:30pm previous day | 11:30pm previous day | 10:30pm previous day | 10:30pm previous day | 6:30pm previous day EDT UTC-4 | 5:30pm previous day CDT UTC-5 | 3:30pm previous day PDT UTC-7 | |
| 4:30am | 2:30am | 12:30am | 12:30am | 11:30pm previous day | 11:30pm previous day | 7:30pm previous day EDT UTC-4 | 6:30pm previous day CDT UTC-5 | 4:30pm previous day PDT UTC-7 | |
| 5:30am | 3:30am | 1:30am | 1:30am | 12:30am | 12:30am | 8:30pm previous day EDT UTC-4 | 7:30pm previous day CDT UTC-5 | 5:30pm previous day PDT UTC-7 | |
| 6:30am | 4:30am | 2:30am | 2:30am | 1:30am | 1:30am | 9:30pm previous day EDT UTC-4 | 8:30pm previous day CDT UTC-5 | 6:30pm previous day PDT UTC-7 | |
| 7:30am | 5:30am | 3:30am | 3:30am | 2:30am | 2:30am | 10:30pm previous day EDT UTC-4 | 9:30pm previous day CDT UTC-5 | 7:30pm previous day PDT UTC-7 | |
| 8:30am | 6:30am | 4:30am | 4:30am | 3:30am | 3:30am | 11:30pm previous day EDT UTC-4 | 10:30pm previous day CDT UTC-5 | 8:30pm previous day PDT UTC-7 | |
| 9:30am | 7:30am | 5:30am | 5:30am | 4:30am | 4:30am | 12:30am EDT UTC-4 | 11:30pm previous day CDT UTC-5 | 9:30pm previous day PDT UTC-7 | |
| 10:30am | 8:30am | 6:30am | 6:30am | 5:30am | 5:30am | 1:30am EDT UTC-4 | 12:30am CDT UTC-5 | 10:30pm previous day PDT UTC-7 | |
| 11:30am | 9:30am | 7:30am | 7:30am | 6:30am | 6:30am | 1:30am | 1:30am CDT UTC-5 | 11:30pm previous day PDT UTC-7 | |
| 12:30pm | 10:30am | 8:30am | 8:30am | 7:30am | 7:30am | 2:30am | 1:30am | 12:30am PDT UTC-7 | |
| 1:30pm | 11:30am | 9:30am | 9:30am | 8:30am | 8:30am | 3:30am | 2:30am | 1:30am PDT UTC-7 | |
| 2:30pm | 12:30pm | 10:30am | 10:30am | 9:30am | 9:30am | 4:30am | 3:30am | 1:30am | |
| 3:30pm | 1:30pm | 11:30am | 11:30am | 10:30am | 10:30am | 5:30am | 4:30am | 2:30am | |
| 4:30pm | 2:30pm | 12:30pm | 12:30pm | 11:30am | 11:30am | 6:30am | 5:30am | 3:30am | |
| 5:30pm | 3:30pm | 1:30pm | 1:30pm | 12:30pm | 12:30pm | 7:30am | 6:30am | 4:30am | |
| 6:30pm | 4:30pm | 2:30pm | 2:30pm | 1:30pm | 1:30pm | 8:30am | 7:30am | 5:30am | |
| 7:30pm | 5:30pm | 3:30pm | 3:30pm | 2:30pm | 2:30pm | 9:30am | 8:30am | 6:30am | |
| 8:30pm | 6:30pm | 4:30pm | 4:30pm | 3:30pm | 3:30pm | 10:30am | 9:30am | 7:30am | |
| 9:30pm | 7:30pm | 5:30pm | 5:30pm | 4:30pm | 4:30pm | 11:30am | 10:30am | 8:30am | |
| 10:30pm | 8:30pm | 6:30pm | 6:30pm | 5:30pm | 5:30pm | 12:30pm | 11:30am | 9:30am | |
| 23:30 previous day | 21:30 previous day | 19:30 previous day | 19:30 previous day | 18:30 previous day | 18:30 previous day | 14:30 previous day EDT UTC-4 | 13:30 previous day CDT UTC-5 | 11:30 previous day PDT UTC-7 | |
| 00:30 | 22:30 previous day | 20:30 previous day | 20:30 previous day | 19:30 previous day | 19:30 previous day | 15:30 previous day EDT UTC-4 | 14:30 previous day CDT UTC-5 | 12:30 previous day PDT UTC-7 | |
| 01:30 | 23:30 previous day | 21:30 previous day | 21:30 previous day | 20:30 previous day | 20:30 previous day | 16:30 previous day EDT UTC-4 | 15:30 previous day CDT UTC-5 | 13:30 previous day PDT UTC-7 | |
| 02:30 | 00:30 | 22:30 previous day | 22:30 previous day | 21:30 previous day | 21:30 previous day | 17:30 previous day EDT UTC-4 | 16:30 previous day CDT UTC-5 | 14:30 previous day PDT UTC-7 | |
| 03:30 | 01:30 | 23:30 previous day | 23:30 previous day | 22:30 previous day | 22:30 previous day | 18:30 previous day EDT UTC-4 | 17:30 previous day CDT UTC-5 | 15:30 previous day PDT UTC-7 | |
| 04:30 | 02:30 | 00:30 | 00:30 | 23:30 previous day | 23:30 previous day | 19:30 previous day EDT UTC-4 | 18:30 previous day CDT UTC-5 | 16:30 previous day PDT UTC-7 | |
| 05:30 | 03:30 | 01:30 | 01:30 | 00:30 | 00:30 | 20:30 previous day EDT UTC-4 | 19:30 previous day CDT UTC-5 | 17:30 previous day PDT UTC-7 | |
| 06:30 | 04:30 | 02:30 | 02:30 | 01:30 | 01:30 | 21:30 previous day EDT UTC-4 | 20:30 previous day CDT UTC-5 | 18:30 previous day PDT UTC-7 | |
| 07:30 | 05:30 | 03:30 | 03:30 | 02:30 | 02:30 | 22:30 previous day EDT UTC-4 | 21:30 previous day CDT UTC-5 | 19:30 previous day PDT UTC-7 | |
| 08:30 | 06:30 | 04:30 | 04:30 | 03:30 | 03:30 | 23:30 previous day EDT UTC-4 | 22:30 previous day CDT UTC-5 | 20:30 previous day PDT UTC-7 | |
| 09:30 | 07:30 | 05:30 | 05:30 | 04:30 | 04:30 | 00:30 EDT UTC-4 | 23:30 previous day CDT UTC-5 | 21:30 previous day PDT UTC-7 | |
| 10:30 | 08:30 | 06:30 | 06:30 | 05:30 | 05:30 | 01:30 EDT UTC-4 | 00:30 CDT UTC-5 | 22:30 previous day PDT UTC-7 | |
| 11:30 | 09:30 | 07:30 | 07:30 | 06:30 | 06:30 | 01:30 | 01:30 CDT UTC-5 | 23:30 previous day PDT UTC-7 | |
| 12:30 | 10:30 | 08:30 | 08:30 | 07:30 | 07:30 | 02:30 | 01:30 | 00:30 PDT UTC-7 | |
| 13:30 | 11:30 | 09:30 | 09:30 | 08:30 | 08:30 | 03:30 | 02:30 | 01:30 PDT UTC-7 | |
| 14:30 | 12:30 | 10:30 | 10:30 | 09:30 | 09:30 | 04:30 | 03:30 | 01:30 | |
| 15:30 | 13:30 | 11:30 | 11:30 | 10:30 | 10:30 | 05:30 | 04:30 | 02:30 | |
| 16:30 | 14:30 | 12:30 | 12:30 | 11:30 | 11:30 | 06:30 | 05:30 | 03:30 | |
| 17:30 | 15:30 | 13:30 | 13:30 | 12:30 | 12:30 | 07:30 | 06:30 | 04:30 | |
| 18:30 | 16:30 | 14:30 | 14:30 | 13:30 | 13:30 | 08:30 | 07:30 | 05:30 | |
| 19:30 | 17:30 | 15:30 | 15:30 | 14:30 | 14:30 | 09:30 | 08:30 | 06:30 | |
| 20:30 | 18:30 | 16:30 | 16:30 | 15:30 | 15:30 | 10:30 | 09:30 | 07:30 | |
| 21:30 | 19:30 | 17:30 | 17:30 | 16:30 | 16:30 | 11:30 | 10:30 | 08:30 | |
| 22:30 | 20:30 | 18:30 | 18:30 | 17:30 | 17:30 | 12:30 | 11:30 | 09:30 |
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
- +0530 - basic
- +05:30 - extended
- +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.
- Asia/Calcutta
- Asia/Kolkata
- 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
- +05 - basic short
- +0500 - basic
- +05:00 - extended
- +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.
- Echo - Military abbreviation for PKT
- E - short form of 'Echo'
- Asia/Karachi
- 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
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +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.
- Charlie - Military abbreviation for EAT
- C - short form of 'Charlie'
- 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
- 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
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).
End: 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.
Start: 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.
CEST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +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.
- Bravo - Military abbreviation for CEST
- B - short form of 'Bravo'
- 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
- 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
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +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.
- Alpha - Military abbreviation for WAT
- A - short form of 'Alpha'
- Africa/Bangui
- Africa/Brazzaville
- Africa/Douala
- Africa/Kinshasa
- Africa/Lagos
- Africa/Libreville
- Africa/Luanda
- Africa/Malabo
- Africa/Ndjamena
- Africa/Niamey
- Africa/Porto-Novo
- 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
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
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.
Current time in the United Kingdom: UK time now
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +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.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- 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.
GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- 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
- 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 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
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).
Start: 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.
End: 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
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -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.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- 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
- 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
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
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).
End: 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.
Start: 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
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -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.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- 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
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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
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
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).
End: 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.
Start: 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
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -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.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
