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AZOST
Azores Summer Time
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BMT
Biel Mean Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BMT is not used on this date
This converter keeps BMT at GMT +1. Berlin uses CEST (GMT +2) on this date. Open the CEST converter, or choose Berlin, Madrid, or Rome for city-specific time.

Quick answers

Selected conversion

12:00 pm12:00 AZOST (UTC+0), Oct 11, 2026 = 1:00 pm13:00 BMT (UTC+1), Oct 11, 2026

AZOST is 1 hour behind BMT.

AZOST and BMT examples

These examples always use AZOST (UTC+0) and BMT (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

AZOST is 1 hour behind BMT.

How the time difference changes

For most of the year, AZOST is 1 hour behind BMT. At other times of the year, AZOT is 2 hours behind BMT.

For most of the year, working hours of 9:00 am to 5:00 pm in AZOST correspond to 10:00 am to 6:00 pm in BMT. At other times of the year, working hours of 9:00 am to 5:00 pm in AZOT correspond to 11:00 am to 7:00 pm in BMT.For most of the year, working hours of 09:00 to 17:00 in AZOST correspond to 10:00 to 18:00 in BMT. At other times of the year, working hours of 09:00 to 17:00 in AZOT correspond to 11:00 to 19:00 in BMT.

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

Time Difference

Azores Summer Time is 1 hour behind Biel Mean Time.
12:00 pm12:00 in AZOST is 1:00 pm13:00 in BMT

AZOST to BMT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in AZOST which corresponds to 10am-5pm10:00-17:00 in BMT

12:00 pm12:00 Azores Summer Time (AZOST). Offset UTC 0:00 hours
1:00 pm13:00 Biel Mean Time (BMT). Offset UTC +1:00 hour

12:00 pm12:00 AZOST / 1:00 pm13:00 BMT

AZOSTBMT
12:00am1:00am
1:00am2:00am
2:00am3:00am
3:00am4:00am
4:00am5:00am
5:00am6:00am
6:00am7:00am
7:00am8:00am
8:00am9:00am
9:00am10:00am
10:00am11:00am
11:00am12:00pm
12:00pm1:00pm
1:00pm2:00pm
2:00pm3:00pm
3:00pm4:00pm
4:00pm5:00pm
5:00pm6:00pm
6:00pm7:00pm
7:00pm8:00pm
8:00pm9:00pm
9:00pm10:00pm
10:00pm11:00pm
11:00pm12:00am
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

Azores Summer Time

Offset: AZOST is 0 hours ahead Greenwich Mean Time (GMT) and is used in Atlantic

Countries using this time zone: Portugal

Principal Cities: The largest city in the AZOST time zone is Ponta Delgada in Portugal, with about 20,056 people.

AZOST Time Zone Geo Map
AZOST timezone map

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

Daylight saving time clock moves forward for one hourStart: Azores Summer Time (AZOST) started on Sunday, March 29, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 1:00 am01:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: Azores Summer Time (AZOST) ends on Sunday, October 25, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 12:00 am00:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

AZOST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for AZOST
  • Z - short form of 'Zulu'
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Biel Mean Time

Offset: BMT is 1 hour 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, 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 BMT time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.

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).

Daylight saving time clock moves forward for one hourEnd: Biel Mean Time (BMT) ended 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 local daylight time instead. Standard time ends annually on the last Sunday of March.

Daylight saving time clock moves back for one hourStart: Biel Mean Time (BMT) starts 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. Standard time starts annually on the last Sunday of October.

See upcoming clock changes worldwide.

BMT 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 an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BMT
  • A - short form of 'Alpha'
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 - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time