Portugal
AST
AST/ADT
Atlantic Standard Time
GMT -4
ADT automatically adjusted to AST time zone, that is in use

Time Difference

AST (Azores Standard Time) is 3 hours ahead of Atlantic Standard Time
4:30 am04:30 in Ponta Delgada, Portugal is 1:30 am01:30 in AST

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

4:30 am04:30 AST (Azores Standard Time) (Ponta Delgada, Portugal). Offset UTC -1:00 hours
1:30 am01:30 Atlantic Standard Time (AST). Offset UTC -4:00 hours

4:30 am04:30 Ponta Delgada, Portugal / 1:30 am01:30 AST

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

Ponta Delgada Information

Time Zone

Abbreviation / Name
AST - Azores Standard Time
AZOST - Azores Summer Time
UTC / GMT Offset
-1:00 hour during Azores Standard Time, currently in use.
0:00 hours during Azores Summer Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 12am to 1am Sunday, March 31, 2024 at 12:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 31, 2024, 1:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 1am to 12am Sunday, October 27, 2024 at 1:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 27, 2024, 12:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Ponta Delgada Facts

Country
Portugal
Alternative Names
PDL, Ponta Delgada, Ponta Delgada (Azores), Ponta Ntelgada, Ponta-Dehlgada, Ponta-Delgada, Pontae-Delgadae, bwnta dylghada, peng ta de er jia da, pontadelgada, pwnta dlgada, pwnth dlgdh, Πόντα Ντελγάδα, Понтæ-Делгадæ, Понта Делгада, Понта-Делгада, Понта-Дэлгада, פונטה דלגדה, بونتا ديلغادا, پونتا دلگادا, ปงตาแดลกาดา, პონტა-დელგადა, ポンタ・デルガダ, 蓬塔德爾加達, 폰타델가다
Population
20,056
Currency
Euro (EUR)
Geographic Coordinates
37° 44' N Latitude / 25° 40' W Longitude
International Dialing Code
+351

Atlantic Daylight Time

Offset: ADT is 3 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bermuda, Canada, Greenland

Principal Cities: The largest city in the ADT timezone is Halifax from Canada with population about 359,111 people. Other major cities in the area are Sydney, Dartmouth, Saint John, Moncton

French: HAA - Heure Avancée de l'Atlantique

ADT Time Zone Geo Map
ADT timezone map

Daylight Saving: Atlantic Daylight Time (ADT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Atlantic Standard Time (AST).

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Atlantic Daylight Time (ADT) has ended on Sunday, November 3, 2024 at 2:00 am local time and clocks were set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Atlantic Daylight Time (ADT) starts on Sunday, March 9, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March

ADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three 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
  • Papa - Military abbreviation for ADT
  • P - short form of 'Papa'
IANA/Olson: Reflects ADT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Halifax
  • America/Moncton
  • America/Thule
  • Atlantic/Bermuda
  • Canada/Atlantic
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • WGT - West Greenland Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time