HADT
Hawaii-Aleutian Daylight Time
GMT -9
Portugal
WET

Time Difference

Hawaii-Aleutian Daylight Time is 9 hours behind WET (Western European Time)
11:30 pm23:30 in HADT is 8:30 am08:30 in Alvalade, Portugal

HADT to Alvalade call time
Best time for a conference call or a meeting is between 8am-10am in HADT which corresponds to 5pm-7pm in Alvalade

11:30 pm23:30 Hawaii-Aleutian Daylight Time (HADT). Offset UTC -9:00 hours
8:30 am08:30 WET (Western European Time) (Alvalade, Portugal). Offset UTC 0:00 hours

11:30 pm23:30 HADT / 8:30 am08:30 Alvalade, Portugal

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

Hawaii-Aleutian Daylight Time

Offset: HADT is 9 hours behind Greenwich Mean Time (GMT) and is used in North America

HADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -09 - basic short
  • -0900 - basic
  • -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine 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
  • Victor - Military abbreviation for HADT
  • V - short form of 'Victor'
Time zones with the GMT -9 offset:
  • AKST - Alaska Standard Time
  • AHDT - Alaska-Hawaii Daylight Time
  • HADT - Hawaii-Aleutian Daylight Time
  • GAMT - Gambier Time
  • HDT - Hawaii Daylight Time
  • V - Victor Time Zone

Alvalade Information

Time Zone

Abbreviation / Name
WET - Western European Time
WEST - Western European Summer Time
UTC / GMT Offset
0:00 hours during Western European Time, currently in use.
+1:00 hour during Western European 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 1am to 2am Sunday, March 31, 2024 at 1:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 31, 2024, 2:00 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 2am to 1am Sunday, October 27, 2024 at 2:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 27, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Alvalade Facts

Country
Portugal
Population
31,813
Currency
Euro (EUR)
Geographic Coordinates
38° 45' N Latitude / 9° 08' W Longitude
International Dialing Code
+351