AST
Azores Standard Time
GMT -1
CET
Central European Time
GMT +1

Time Difference

Azores Standard Time is 2 hours behind Central European Time
8:00 pm20:00 in AST is 10:00 pm22:00 in CET

AST to CET call time
Best time for a conference call or a meeting is between 8am-4pm in AST which corresponds to 10am-6pm in CET

8:00 pm20:00 Azores Standard Time (AST). Offset UTC -1:00 hours
10:00 pm22:00 Central European Time (CET). Offset UTC +1:00 hour

8:00 pm20:00 AST / 10:00 pm22:00 CET

AST CET
12am (midnight) 2am
1am 3am
2am 4am
3am 5am
4am 6am
5am 7am
6am 8am
7am 9am
8am 10am
9am 11am
10am 12pm (noon)
11am 1pm
12pm (noon) 2pm
1pm 3pm
2pm 4pm
3pm 5pm
4pm 6pm
5pm 7pm
6pm 8pm
7pm 9pm
8pm 10pm
9pm 11pm
10pm 12am (midnight)
11pm 1am
0:00 2:00
1:00 3:00
2:00 4:00
3:00 5:00
4:00 6:00
5:00 7:00
6:00 8:00
7:00 9:00
8:00 10:00
9:00 11:00
10:00 12:00
11:00 13:00
12:00 14:00
13:00 15:00
14:00 16:00
15:00 17:00
16:00 18:00
17:00 19:00
18:00 20:00
19:00 21:00
20:00 22:00
21:00 23:00
22:00 0:00
23:00 1:00

Azores Standard Time

Offset: AST is 1 hour behind Greenwich Mean Time (GMT) and is used in Atlantic

AST 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 one hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • November - Military abbreviation for AST
  • N - short form of 'November'
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
  • Azores Standard Time - UTC -1
  • Arabian Standard Time - UTC +3
  • Amazon Standard Time - UTC -4
  • Apia Standard Time - UTC +13
Time zones with the GMT -1 offset:
  • EGT - East Greenland Time
  • AZOT - Azores Time
  • CVT - Cape Verde Time
  • N - November Time Zone

Central European Time

Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Africa

Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, 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, Tunisia, Vatican City

Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers

Daylight Saving: Central European Time (CET) is not adjusted for daylight saving therefore CET remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Central European Time remains the same

CET 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 one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
  • Poland
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 - Mitteleurop√ɬ§ische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time