Live offset · Year-round DST · Shareable URL

Time difference
Bangkok and Colombo

Live clocks (ICT ↔ IST), the current gap, month-by-month offset changes (steady this year), and a full 24-hour map from Bangkok to Colombo.

1

Live gap

See the current offset between Bangkok and Colombo, with IANA-backed clocks updating every second.

2

Year-round chart

Neither city shifts clocks seasonally—the gap stays steady through 2026.

3

Hour-by-hour

Scroll the 24-hour table to map any civil hour in Bangkok into Colombo with day-shift cues.

Time difference workspace

How Bangkok and Colombo line up today.

2 cities · live offsetSteady gap
City pair

Bangkok Colombo

Colombo is 1.5h behind Bangkok at this moment. Compare live clocks, seasonal DST shifts, and hour-by-hour conversions below.

Live offsetIANA zones · updates automatically
Bangkok
Asia/Bangkok
ZoneICT
Offset nowUTC+7
Hour gap
−1:30

ColomboBangkok

Colombo
Asia/Colombo
ZoneIST
Offset nowUTC+5:30
About this pairUseful when planning calls or docs

Time difference between Bangkok and Colombo: Colombo is currently 1.5 hours behind Bangkok.

This difference stays steady year-round because neither city observes Daylight Saving Time. The monthly table below shows the exact offset gap month by month. For practical scheduling, jump to the best-time-to-meet page or the 24-hour conversion table below.

Jump aheadPick the view you need next
Live clocks workspace

Clocks side by side.

Updates every second
Right nowAsia/Bangkok · Asia/Colombo
Bangkok
Asia/Bangkok
Live time
--:--
OffsetUTC+7
AbbreviationICT
No DST
Colombo
Asia/Colombo
Live time
--:--
OffsetUTC+5:30
AbbreviationIST
No DST
Relationship

Colombo is 1.5h behind Bangkok.

Neither city shifts clocks seasonally—expect this relationship to stay fixed unless rules change at the governmental level.

Next stepsPlan overlap or convert zones
Year-round

Offset changes by month

Sampled mid-month for 2026. Compares Colombo versus Bangkok; a value of +3h means Colombo is three hours ahead of Bangkok.

2026 calendar

Month-by-month gap

MonthDifference (Colombo vs Bangkok)
January-1.5h
February-1.5h
March-1.5h
April-1.5h
May-1.5h
June-1.5h
July-1.5h
August-1.5h
September-1.5h
October-1.5h
November-1.5h
December-1.5h
Hour by hour

24-hour conversion table

Every civil hour in Bangkok mapped into Colombo; day-shift cues follow active DST for both zones today.

BangkokColombo

Hourly wall-clock map for today — midnight crossings show as day shifts.

Bangkok with part-of-day icon
Colombo arrow and converted time
Day
  • 00:00
    22:30
    Prev day
  • 01:00
    23:30
    Prev day
  • 02:00
    00:30
    Same day
  • 03:00
    01:30
    Same day
  • 04:00
    02:30
    Same day
  • 05:00
    03:30
    Same day
  • 06:00
    04:30
    Same day
  • 07:00
    05:30
    Same day
  • 08:00
    06:30
    Same day
  • 09:00
    07:30
    Same day
  • 10:00
    08:30
    Same day
  • 11:00
    09:30
    Same day
  • 12:00
    10:30
    Same day
  • 13:00
    11:30
    Same day
  • 14:00
    12:30
    Same day
  • 15:00
    13:30
    Same day
  • 16:00
    14:30
    Same day
  • 17:00
    15:30
    Same day
  • 18:00
    16:30
    Same day
  • 19:00
    17:30
    Same day
  • 20:00
    18:30
    Same day
  • 21:00
    19:30
    Same day
  • 22:00
    20:30
    Same day
  • 23:00
    21:30
    Same day
Uses your browser's IANA zone data — choose another date in the converter for historical or future days.
Keep exploring

Related pages

More time-difference routes, pairwise best times, triple-city overlaps, and conversions tied to Bangkok, Colombo, or this corridor.

FAQ

Frequently asked questions

Offsets between Bangkok and Colombo, DST shifts, scheduling, and how we source timezone data—plus how to share this page.

Currently, Colombo is 1.5h behind Bangkok. This may change through the year if either city observes Daylight Saving Time.