IST
India Standard Time
GMT +5:30
HAT
Heure Avancée de Terre-Neuve
GMT -2

Time Difference

India Standard Time is 8 hours ahead of Heure Avancée de Terre-Neuve
9:30 pm21:30 in IST is 1:30 pm13:30 in HAT

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

9:30 pm21:30 India Standard Time (IST). Offset UTC +5:30 hours
1:30 pm13:30 Heure Avancée de Terre-Neuve (HAT). Offset UTC -2:30 hours

9:30 pm21:30 IST / 1:30 pm13:30 HAT

IST HAT
12am (midnight) 4pm
1am 5pm
2am 6pm
3am 7pm
4am 8pm
5am 9pm
6am 10pm
7am 11pm
8am 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
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 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

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

Heure Avancée de Terre-Neuve

Offset: HAT is 2 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America

HAT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0230 - basic
  • -02:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates two hour and thirty minutes time differences to the west of the zero meridian.