SAST
South Africa Standard Time
GMT +2
IST
India Standard Time
GMT +5:30
UTC
Universal Time Coordinated
GMT +0

Time Difference

South Africa Standard Time is 3 hours and 30 minutes behind India Standard Time and 2 hours ahead of Universal Time Coordinated
12:00 pm12:00 in SAST is 3:30 pm15:30 in IST and is 10:00 am10:00 in UTC

SAST to IST call time
Best time for a conference call or a meeting is between 8am-2:30pm in SAST which corresponds to 11:30am-6pm in IST
SAST to UTC call time
Best time for a conference call or a meeting is between 10am-6pm in SAST which corresponds to 8am-4pm in UTC

12:00 pm12:00 South Africa Standard Time (SAST). Offset UTC +2:00 hours
3:30 pm15:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 am10:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

12:00 pm12:00 SAST / 3:30 pm15:30 IST / 10:00 am10:00 UTC

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

South Africa Standard Time

Offset: SAST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Africa

Countries: It is used in following countries: Lesotho, Eswatini (Swaziland), South Africa

Principal Cities: The largest city in the SAST timezone is Cape Town from South Africa with population about 3.433 million people. Other major cities in the area are Durban, Johannesburg, Soweto, Pretoria

Daylight Saving: South Africa Standard Time (SAST) is not adjusted for daylight saving therefore SAST 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, South Africa Standard Time remains the same

SAST Time Zone Geo Map
SAST timezone map

SAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two 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
  • Bravo - Military abbreviation for SAST
  • B - short form of 'Bravo'
IANA/Olson: Reflects SAST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Johannesburg
  • Africa/Maseru
  • Africa/Mbabane
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer 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

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone