TIME ZONE CONVERTER
Colombo to Bangkok
Time Converter
Convert Colombo, Sri Lanka to Bangkok, Thailand. Compare dates, seasonal differences and meeting hours.
Colombo is 1h 30m behind Bangkok in 2026.
9 AM Colombo = 10:30 AM Bangkok
Selected date: November 10, 2026.
THE QUICK REFERENCE
CSVColombo to Bangkok conversion table
November 10, 2026 · Date changes are marked.
View the full 24-hour table
| Colombo | Bangkok |
|---|---|
| 12:00 AM | 1:30 AM |
| 1:00 AM | 2:30 AM |
| 2:00 AM | 3:30 AM |
| 3:00 AM | 4:30 AM |
| 4:00 AM | 5:30 AM |
| 5:00 AM | 6:30 AM |
| 6:00 AM | 7:30 AM |
| 7:00 AM | 8:30 AM |
| 8:00 AM | 9:30 AM |
| 9:00 AM | 10:30 AM |
| 10:00 AM | 11:30 AM |
| 11:00 AM | 12:30 PM |
| Colombo | Bangkok |
|---|---|
| 12:00 PM | 1:30 PM |
| 1:00 PM | 2:30 PM |
| 2:00 PM | 3:30 PM |
| 3:00 PM | 4:30 PM |
| 4:00 PM | 5:30 PM |
| 5:00 PM | 6:30 PM |
| 6:00 PM | 7:30 PM |
| 7:00 PM | 8:30 PM |
| 8:00 PM | 9:30 PM |
| 9:00 PM | 10:30 PM |
| 10:00 PM | 11:30 PM |
| 11:00 PM | 12:30 AM +1 day |
Starting with the Bangkok working day
These examples start on 2026-11-10 in Bangkok.
09:00 Bangkok07:30 →Colombo · 2026-11-10
17:00 Bangkok15:30 →Colombo · 2026-11-10
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Colombo to Bangkok throughout 2026
09:00 in Colombo converts to 10:30 in Bangkok on every date in 2026. The destination has the same calendar date.
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does Colombo time become a different date in Bangkok?
Your complete source day: 2026-11-10. Each range shows which destination date to use.
Colombo · 2026-11-1000:00–22:30UTC+05:30
Bangkok · 2026-11-1001:30–24:00UTC+07:00 Same date
Colombo · 2026-11-1022:30–24:00UTC+05:30
Bangkok · 2026-11-1100:00–01:30UTC+07:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026Some things stay in sync.
The difference between Colombo and Bangkok stays the same throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+1h 30m
Neither selected clock changes its UTC offset during 2026.
CLOCK CHANGES
No upcoming clock adjustment
No clock change is published for either selected time zone in the next 400 days within our supported range.
PLAN BEYOND A SINGLE DAY
Daily CSVColombo–Bangkok working hours through 2026
Every date calculated with your working windows. 261 selected Colombo workdays; public holidays are not applied.
Least shared time6h 30m
Most common6h 30m
Most shared time6h 30m
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in Colombo 09:00–14:30.
These starts fit both working windows on every selected Colombo workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
Colombo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Bangkok: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
TWO PLACES. ONE CONNECTION.
≈ 2,381 km apartAcross the map. Across the clock.
THE DETAILS THAT MATTER
Colombo to Bangkok: useful answers
Does the Colombo–Bangkok time difference change in 2026?
The difference stays constant throughout 2026: Bangkok is 1h 30m ahead compared with Colombo.
Does this conversion change the calendar date?
09:00 in Colombo on 2026-11-10 is 10:30 in Bangkok on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Can Colombo and Bangkok meet during working hours?
Your selected working windows share 6h 30m on 2026-11-10. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology