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No shared working hoursFri, Oct 16

CHADT/CHAST
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Chatham Island is on daylight saving time: CHADT (UTC+13:45) until Sun, Apr 4, 2027.
CEST
UTC+2
yesterday (previous day)
11h 45m behind
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Quick answers

Selected conversion

2:00 am02:00 CHADT (UTC+13:45), Oct 16, 2026 = 2:15 pm14:15 CEST (UTC+2), Oct 15, 2026

CHADT is 11 hours and 45 minutes ahead of CEST.

CHAST and CEST examples

These examples always use CHAST (UTC+12:45) and CEST (UTC+2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CHAST is 10 hours and 45 minutes ahead of CEST.

How the time difference changes

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

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in CHAST correspond to 10:15 pm (previous day) to 7:15 am in CEST, working hours of 9:00 am to 6:00 pm in CHADT correspond to 9:15 pm (previous day) to 6:15 am in CEST, or working hours of 9:00 am to 6:00 pm in CHADT correspond to 8:15 pm (previous day) to 5:15 am in CET.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in CHAST correspond to 22:15 (previous day) to 07:15 in CEST, working hours of 09:00 to 18:00 in CHADT correspond to 21:15 (previous day) to 06:15 in CEST, or working hours of 09:00 to 18:00 in CHADT correspond to 20:15 (previous day) to 05:15 in CET.

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

Time Difference

Chatham Island Daylight Time is 11 hours and 45 minutes ahead of Central European Summer Time.
2:00 am02:00 in CHADT is 2:15 pm14:15 in CEST

CHADT to CEST call time
Best time for a conference call or a meeting is between 6:45pm-7:45pm18:45-19:45 in CHADT which corresponds to 7am-8am07:00-08:00 in CEST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

2:00 am02:00 Chatham Island Daylight Time (CHADT). Offset UTC +13:45 hours
2:15 pm14:15 Central European Summer Time (CEST). Offset UTC +2:00 hours

2:00 am02:00 CHADT / 2:15 pm14:15 CEST

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
CHADTCEST
12:15pm previous day
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Chatham Island Standard Time

Offset: CHAST is 12 hours and 45 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: New Zealand

Principal Cities: The largest city in the CHAST time zone is Waitangi in New Zealand, with about 140 people.

Map of the areas on Chatham Island Standard Time (CHAST)
CHAST part of the year

Today the shaded areas are on UTC+13:45.

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

123456789101112End: Chatham Island Standard Time (CHAST) ended on Sunday, September 27, 2026 at 2:45 am02:45 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:45 am03:45 local daylight time instead. Standard time ends annually on the last Sunday of September.

123456789101112Start: Chatham Island Standard Time (CHAST) starts on Sunday, April 4, 2027 at 3:45 am03:45 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:45 am02:45. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

CHAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1245 - basic
  • +12:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates an offset of twelve hours and forty-five minutes to the east of the zero meridian.

Central European Summer Time

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

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

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

Today all shaded areas are on CEST.

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).

123456789101112Start: Central European Summer Time (CEST) started on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: Central European Summer Time (CEST) ends on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are 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.

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