California, USA
PDT
CT/CDT
Central Time
GMT -5
WEST
Western European Summer Time
GMT +1

Time Difference

PDT (Pacific Daylight Time) is 2 hours behind Central Daylight Time and 8 hours behind Western European Summer Time
6:30 pm18:30 in Altadena, CA, USA is 8:30 pm20:30 in CDT and is 2:30 am02:30 in WEST

Altadena to CT call time
Best time for a conference call or a meeting is between 8am-5pm in Altadena which corresponds to 9am-6pm in CT
Altadena to WEST call time
Best time for a conference call or a meeting is between 8am-10am in Altadena which corresponds to 4pm-6pm in WEST

6:30 pm18:30 PDT (Pacific Daylight Time) (Altadena, CA, USA). Offset UTC -7:00 hours
8:30 pm20:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
2:30 am02:30 Western European Summer Time (WEST). Offset UTC +1:00 hour

6:30 pm18:30 Altadena, CA, USA / 8:30 pm20:30 CDT / 2:30 am02:30 WEST

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

Altadena Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 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, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Altadena Facts

Country
USA
State
California
Alternative Names
Al'tadena, Altadina, altadena, altadna kalyfrnya, Алтадина, Альтадена, التادنا، کالیفرنیا, अल्टाडेना
Population
42,777
Currency
Dollar (USD)
Geographic Coordinates
34° 11' N Latitude / 118° 07' W Longitude
International Dialing Code
+1

Central Time

Central Time (PT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.

Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Central Time (PT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.

Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

CT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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
  • Sierra - Military abbreviation for CT
  • S - short form of 'Sierra'
CT Abbreviation: Several time zones share CT abbreviation and it could refer to these time zones
  • Central Time - UTC -6
  • Chuuk Time - UTC +10
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Western European Summer Time

Offset: WEST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Spain, Faroe Islands, Portugal

Principal Cities: The largest city in the WEST timezone is Lisbon from Portugal with population about 517,802 people. Other major cities in the area are Las Palmas de Gran Canaria, Porto, Santa Cruz de Tenerife, Amadora

German: WESZ - Westeuropäische Sommerzeit

WEST Time Zone Geo Map
WEST timezone map

Daylight Saving: Western European Summer Time (WEST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Western European Time (WET).

Daylight saving time clock moves forward for one hour from 1am to 2amStart: Western European Summer Time (WEST) started on Sunday, March 31, 2024 at 1:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 2:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Western European Summer Time (WEST) ends on Sunday, October 27, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

WEST 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 WEST
  • A - short form of 'Alpha'
IANA/Olson: Reflects WEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Atlantic/Canary
  • Atlantic/Faeroe
  • Atlantic/Faroe
  • Atlantic/Madeira
  • Europe/Lisbon
  • Portugal
  • WET
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