There is no overlap between 09:00–18:00 working days in these two places.
How many hours is IST ahead of AKDT?
As abbreviations, AKDT is always 13.5 hours behind of IST: IST is UTC+5:30 and AKDT is UTC−8. To convert, subtract 13.5 hours.
When the IST to AKDT time difference changes
For most of the year AKDT is 13.5 hours behind of IST. From 1 November to 31 December 2026, AKDT is 14.5 hours behind of IST instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
Dates
AKDT vs IST
Length
8 March 2026 to 31 October 2026
13.5 hours behind
238 days
1 November 2026 to 31 December 2026
14.5 hours behind
61 days
1 January 2027 to 13 March 2027
14.5 hours behind
72 days
14 March 2027 to 6 November 2027
13.5 hours behind
238 days
7 November 2027 to 31 December 2027
14.5 hours behind
55 days
Calling hours for IST and AKDT
When AKDT is 13.5 hours behind of IST: no shared 09:00 to 17:00 hours; one side has to take the call outside office hours.
When AKDT is 14.5 hours behind of IST: no shared 09:00 to 17:00 hours; one side has to take the call outside office hours.
Frequently asked questions about IST and AKDT time
How many hours ahead is AKDT of IST?
AKDT (UTC−8) is 13.5 hours behind of IST (UTC+5:30).
Does the time difference between IST and AKDT change?
Yes. It is usually 13.5 hours behind, but changes when one side moves its clocks: 14.5 hours behind from 1 November to 31 December 2026; 14.5 hours behind from 1 January to 13 March 2027.