There is no overlap between 09:00–18:00 working days in these two places.
How many hours is PST behind BTT?
As abbreviations, BTT is always 14 hours ahead of PST: PST is UTC−8 and BTT is UTC+6. To convert, add 14 hours.
When the PST to BTT time difference changes
For most of the year BTT is 13 hours ahead of PST. From 1 November to 31 December 2026, BTT is 14 hours ahead of PST 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
BTT vs PST
Length
1 November 2026 to 31 December 2026
14 hours ahead
61 days
1 January 2027 to 13 March 2027
14 hours ahead
72 days
14 March 2027 to 6 November 2027
13 hours ahead
238 days
7 November 2027 to 31 December 2027
14 hours ahead
55 days
When PST and BTT are both at work
When BTT is 13 hours ahead of PST: no shared 09:00 to 17:00 hours; try 07:00 in PST (20:00 in BTT).
When BTT is 14 hours ahead of PST: no shared 09:00 to 17:00 hours; try 17:00 in PST (07:00 in BTT).
Frequently asked questions about PST and BTT time
How many hours ahead is BTT of PST?
BTT (UTC+6) is 14 hours ahead of PST (UTC−8).
Does the time difference between PST and BTT change?
Yes. It is usually 13 hours ahead, but changes when one side moves its clocks: 14 hours ahead from 1 November to 31 December 2026; 14 hours ahead from 1 January to 13 March 2027.