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CEST
Central European Summer Time
GMT +2
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CHAST/CHADT
Chatham Island Standard Time
GMT +12:45
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CHADT is not used on September 19, 2026

This converter uses CHAST for Chatham Island.

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

CEST and CHADT examples

These examples always use CEST (UTC+2) and CHADT (UTC+13:45). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CEST is 11 hours and 45 minutes behind CHADT.

How the time difference changes

Depending on seasonal clock changes, CEST is 10 hours and 45 minutes behind CHAST, CEST is 11 hours and 45 minutes behind CHADT, or CET is 12 hours and 45 minutes behind CHADT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in CEST correspond to 7:45 pm to 3:45 am (next day) in CHAST, working hours of 9:00 am to 5:00 pm in CEST correspond to 8:45 pm to 4:45 am (next day) in CHADT, or working hours of 9:00 am to 5:00 pm in CET correspond to 9:45 pm to 5:45 am (next day) in CHADT.

Compare CEST time with CHADT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central European Summer Time is 10 hours and 45 minutes behind Chatham Island Standard Time
12:30 pm12:30 in CEST is 11:15 pm23:15 in CHAST

CEST to CHAST call time
Best time for a conference call or a meeting is between 7am-8am in CEST which corresponds to 5:45pm-6:45pm in CHAST

12:30 pm12:30 Central European Summer Time (CEST). Offset UTC +2:00 hours
11:15 pm23:15 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

12:30 pm12:30 CEST / 11:15 pm23:15 CHAST

CESTCHAST
12am (midnight)10:45 am
1am11:45 am
2am12:45 pm
3am1:45 pm
4am2:45 pm
5am3:45 pm
6am4:45 pm
7am5:45 pm
8am6:45 pm
9am7:45 pm
10am8:45 pm
11am9:45 pm
12pm (noon)10:45 pm
1pm11:45 pm
2pm12:45 am
3pm1:45 am
4pm2:45 am
5pm3:45 am
6pm4:45 am
7pm5:45 am
8pm6:45 am
9pm7:45 am
10pm8:45 am
11pm9:45 am
00:0010:45
01:0011:45
02:0012:45
03:0013:45
04:0014:45
05:0015:45
06:0016:45
07:0017:45
08:0018:45
09:0019:45
10:0020:45
11:0021:45
12:0022:45
13:0023:45
14:0000:45
15:0001:45
16:0002:45
17:0003:45
18:0004:45
19:0005:45
20:0006:45
21:0007:45
22:0008:45
23:0009:45

Central European Summer Time

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

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

CEST Time Zone Geo Map
CEST timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Central European Summer Time (CEST) started on Sunday, March 29, 2026 at 2:00 am local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am. Daylight saving starts annually on the last Sunday of March

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Central European Summer Time (CEST) ends on Sunday, October 25, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October

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

Chatham Island Daylight Time

Offset: CHADT is 13 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHADT Time Zone Geo Map
CHADT timezone map

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

End: Chatham Island Daylight Time (CHADT) ended on Sunday, April 5, 2026 at 3:45 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:45 am local standard time instead. Daylight saving ends annually on the first Sunday of April

Start: Chatham Island Daylight Time (CHADT) starts on Sunday, September 27, 2026 at 2:45 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:45 am. Daylight saving starts annually on the last Sunday of September

CHADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1345 - basic
  • +13:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1345 - sign character (+) followed by a four digit time providing hours (13) and minutes (45) of the offset. Indicates an offset of thirteen hours and forty-five minutes to the east of the zero meridian.