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A to AZOST Converter

Updating current time…
A
Alpha Time Zone
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AZOST
Azores Summer Time
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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

A is 1 hour ahead of AZOST.

A and AZOST examples

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

A is 1 hour ahead of AZOST.

How the time difference changes

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

For most of the year, working hours of 9:00 am to 5:00 pm in A correspond to 8:00 am to 4:00 pm in AZOST. At other times of the year, working hours of 9:00 am to 5:00 pm in A correspond to 7:00 am to 3:00 pm in AZOT.For most of the year, working hours of 09:00 to 17:00 in A correspond to 08:00 to 16:00 in AZOST. At other times of the year, working hours of 09:00 to 17:00 in A correspond to 07:00 to 15:00 in AZOT.

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

Time Difference

Alpha Time Zone is 1 hour ahead of Azores Summer Time.
1:00 pm13:00 in A is 12:00 pm12:00 in AZOST

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

1:00 pm13:00 Alpha Time Zone (A). Offset UTC +1:00 hour
12:00 pm12:00 Azores Summer Time (AZOST). Offset UTC 0:00 hours

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

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

Alpha Time Zone

Offset: A is 1 hour ahead Greenwich Mean Time (GMT) and is used in Military

Daylight Saving: Clocks in Alpha Time Zone (A) do not change for daylight saving time, so A stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

A 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 A
  • 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

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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT