Why writing "BST" is dangerous
Most runtimes accept BST and resolve it to Bangladesh, UTC+6 — when nearly everyone means British Summer Time, UTC+1.
2026-06-15 12:00 · Europe/London → Asia/Dhaka
Mon, 2026-06-15, 12:00 in Europe/London is Mon, 2026-06-15, 17:00 in Asia/Dhaka.
2026-06-15T11:00:00.000Z
From
Europe/London
Mon, 2026-06-15, 12:00
UTC+01:00 · GMT+1
To
Asia/Dhaka
Mon, 2026-06-15, 17:00
UTC+06:00 · GMT+6
What to watch for
Note
Asia/Dhaka does not observe daylight saving
Asia/Dhaka keeps the same offset all year, so its clocks never change. If the other zone does observe it, the gap between them shifts twice a year even though nothing changes on this side.
Upcoming clock changes
Europe/London
2026-10-25T01:00:14.062Z
Clocks fall back an hour: the wall clock returns to 01:00, so that hour happens twice.
UTC+01:00 → UTC+00:00 (GMT+1 → GMT)
2027-03-28T01:00:14.062Z
Clocks jump forward an hour: 02:00 is followed by 02:00, and the times in between never happen.
UTC+00:00 → UTC+01:00 (GMT → GMT+1)
Asia/Dhaka
No clock changes — this zone keeps one offset all year.
Convert your own time
Use the form on the home page, or call the API or MCP server. This page is also available as markdown.