HKT
Hong Kong Time
GMT +8
IST
India Standard Time
GMT +5:30
SGT
Singapore Time
GMT +8

Time Difference

Hong Kong Time is 2 hours and 30 minutes ahead of India Standard Time and 0 hours ahead of Singapore Time
9:00 pm21:00 in HKT is 6:30 pm18:30 in IST and is 9:00 pm21:00 in SGT

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

9:00 pm21:00 Hong Kong Time (HKT). Offset UTC +8:00 hours
6:30 pm18:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 pm21:00 Singapore Time (SGT). Offset UTC +8:00 hours

9:00 pm21:00 HKT / 6:30 pm18:30 IST / 9:00 pm21:00 SGT

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

Hong Kong Time

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

Countries: It is used in following countries: Hong Kong

Principal Cities: The largest city in the HKT timezone is Hong Kong from Hong Kong with population about 7.013 million people. Other major cities in the area are Kowloon, Tsuen Wan, Yuen Long Kau Hui, Sha Tin

Daylight Saving: Hong Kong Time (HKT) is not adjusted for daylight saving therefore HKT 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, Hong Kong Time remains the same

HKT Time Zone Geo Map
HKT timezone map

HKT 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 HKT
  • H - short form of 'Hotel'
IANA/Olson: Reflects HKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Hong_Kong
  • Hongkong
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
  • Iran Standard Time - UTC +3:30

Singapore Time

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

SGT Time Zone Geo Map
SGT timezone map

SGT 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 SGT
  • 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