CET to CHAST Converter
CET is not used on this date
This converter uses CEST (GMT +2), the offset Berlin uses on this date. Open the CEST converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
CET and CHAST examples
These examples always use CET (UTC+1) and CHAST (UTC+12:45). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CET is 11 hours and 45 minutes behind CHAST.
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 CET time with CHAST 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
11:00 pm23:00 in CEST is 9:45 am09:45 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
11:00 pm23:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
9:45 am09:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
11:00 pm23:00 CEST / 9:45 am09:45 CHAST
| CEST | CHAST |
|---|---|
| 12am (midnight) | 10:45 am |
| 1am | 11:45 am |
| 2am | 12:45 pm |
| 3am | 1:45 pm |
| 4am | 2:45 pm |
| 5am | 3:45 pm |
| 6am | 4:45 pm |
| 7am | 5:45 pm |
| 8am | 6:45 pm |
| 9am | 7:45 pm |
| 10am | 8:45 pm |
| 11am | 9:45 pm |
| 12pm (noon) | 10:45 pm |
| 1pm | 11:45 pm |
| 2pm | 12:45 am |
| 3pm | 1:45 am |
| 4pm | 2:45 am |
| 5pm | 3:45 am |
| 6pm | 4:45 am |
| 7pm | 5:45 am |
| 8pm | 6:45 am |
| 9pm | 7:45 am |
| 10pm | 8:45 am |
| 11pm | 9:45 am |
| 00:00 | 10:45 |
| 01:00 | 11:45 |
| 02:00 | 12:45 |
| 03:00 | 13:45 |
| 04:00 | 14:45 |
| 05:00 | 15:45 |
| 06:00 | 16:45 |
| 07:00 | 17:45 |
| 08:00 | 18:45 |
| 09:00 | 19:45 |
| 10:00 | 20:45 |
| 11:00 | 21:45 |
| 12:00 | 22:45 |
| 13:00 | 23:45 |
| 14:00 | 00:45 |
| 15:00 | 01:45 |
| 16:00 | 02:45 |
| 17:00 | 03:45 |
| 18:00 | 04:45 |
| 19:00 | 05:45 |
| 20:00 | 06:45 |
| 21:00 | 07:45 |
| 22:00 | 08:45 |
| 23:00 | 09:45 |
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Algeria, Tunisia
Principal Cities: The largest city in the CET time zone is Algiers in Algeria, with about 2.364 million people. Other major cities in this time zone include Oran, Tunis, Constantine, Sfax.
German: MEZ - Mitteleuropäische Zeit
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).
End: Central European Time (CET) ended 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 local daylight time instead. Standard time ends annually on the last Sunday of March.
Start: Central European Time (CET) starts 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. Standard time starts annually on the last Sunday of October.
CET 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 CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- 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
- 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
Chatham Island Standard Time
Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: New Zealand
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).
Start: Chatham Island Standard Time (CHAST) started 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. Standard time starts annually on the first Sunday of April.
End: Chatham Island Standard Time (CHAST) ends 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 local daylight time instead. Standard time ends annually on the last Sunday of September.
CHAST representations, usage and related time zones
- +1245 - basic
- +12:45 - extended
- +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.