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PHT to IST to CDT

PHT
Philippine Time
GMT +8
IST
India Standard Time
GMT +5:30
CDT
Central Daylight Time
GMT -5

Time Difference

Philippine Time is 2 hours and 30 minutes ahead of India Standard Time and 13 hours ahead of Central Daylight Time
4:00 pm16:00 in PHT is 1:30 pm13:30 in IST and is 3:00 am03:00 in CDT

PHT to IST call time
Best time for a conference call or a meeting is between 10:30am-6pm in PHT which corresponds to 8am-3:30pm in IST
PHT to CDT call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in PHT which corresponds to 6:30am-8:30am in CDT

4:00 pm16:00 Philippine Time (PHT). Offset UTC +8:00 hours
1:30 pm13:30 India Standard Time (IST). Offset UTC +5:30 hours
3:00 am03:00 Central Daylight Time (CDT). Offset UTC -5:00 hours

4:00 pm16:00 PHT / 1:30 pm13:30 IST / 3:00 am03:00 CDT

PHT IST CDT
12am (midnight) 9:30 pm 11am
1am 10:30 pm 12pm (noon)
2am 11:30 pm 1pm
3am 12:30 am 2pm
4am 1:30 am 3pm
5am 2:30 am 4pm
6am 3:30 am 5pm
7am 4:30 am 6pm
8am 5:30 am 7pm
9am 6:30 am 8pm
10am 7:30 am 9pm
11am 8:30 am 10pm
12pm (noon) 9:30 am 11pm
1pm 10:30 am 12am (midnight)
2pm 11:30 am 1am
3pm 12:30 pm 2am
4pm 1:30 pm 3am
5pm 2:30 pm 4am
6pm 3:30 pm 5am
7pm 4:30 pm 6am
8pm 5:30 pm 7am
9pm 6:30 pm 8am
10pm 7:30 pm 9am
11pm 8:30 pm 10am
0:00 21:30 11:00
1:00 22:30 12:00
2:00 23:30 13:00
3:00 0:30 14:00
4:00 1:30 15:00
5:00 2:30 16:00
6:00 3:30 17:00
7:00 4:30 18:00
8:00 5:30 19:00
9:00 6:30 20:00
10:00 7:30 21:00
11:00 8:30 22:00
12:00 9:30 23:00
13:00 10:30 0:00
14:00 11:30 1:00
15:00 12:30 2:00
16:00 13:30 3:00
17:00 14:30 4:00
18:00 15:30 5:00
19:00 16:30 6:00
20:00 17:30 7:00
21:00 18:30 8:00
22:00 19:30 9:00
23:00 20:30 10:00

Philippine Time

Offset: PHT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

PHT Time Zone Geo Map
PHT timezone map

PHT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight 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
  • Hotel - Military abbreviation for PHT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: India

Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai

Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2
  • Irkutsk Standard Time - UTC +8

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Cuba, Mexico, United States

Principal Cities: The largest city in the CDT timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map
CDT timezone map

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).

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

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Central Daylight Time (CDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone
EST to IST GMT to EST PST to EST EST to GMT PST to GMT