Live offset · Year-round DST · Shareable URL

Time difference
Istanbul and Colombo

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

1

Live gap

See the current offset between Istanbul 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 Istanbul into Colombo with day-shift cues.

Time difference workspace

How Istanbul and Colombo line up today.

2 cities · live offsetSteady gap
City pair

Istanbul Colombo

Colombo is 2.5h ahead of Istanbul at this moment. Compare live clocks, seasonal DST shifts, and hour-by-hour conversions below.

Live offsetIANA zones · updates automatically
Istanbul
Europe/Istanbul
ZoneTRT
Offset nowUTC+3
Hour gap
+2:30

ColomboIstanbul

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

Time difference between Istanbul and Colombo: Colombo is currently 2.5 hours ahead of Istanbul.

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
Best time to meetMonthly offsets24-hour table
Live clocks workspace

Clocks side by side.

Updates every second
Right nowEurope/Istanbul · Asia/Colombo
Istanbul
Europe/Istanbul
Live time
--:--
OffsetUTC+3
AbbreviationTRT
No DST
Colombo
Asia/Colombo
Live time
--:--
OffsetUTC+5:30
AbbreviationIST
No DST
Relationship

Colombo is 2.5h ahead of Istanbul.

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

Next stepsPlan overlap or convert zones
Best time to meet →TRT → IST →Overlap Finder →
Year-round

Offset changes by month

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

2026 calendar

Month-by-month gap

MonthDifference (Colombo vs Istanbul)
January+2.5h
February+2.5h
March+2.5h
April+2.5h
May+2.5h
June+2.5h
July+2.5h
August+2.5h
September+2.5h
October+2.5h
November+2.5h
December+2.5h
Hour by hour

24-hour conversion table

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

IstanbulColombo

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

Istanbul with part-of-day icon
Colombo arrow and converted time
Day
  • 00:00
    02:30
    Same day
  • 01:00
    03:30
    Same day
  • 02:00
    04:30
    Same day
  • 03:00
    05:30
    Same day
  • 04:00
    06:30
    Same day
  • 05:00
    07:30
    Same day
  • 06:00
    08:30
    Same day
  • 07:00
    09:30
    Same day
  • 08:00
    10:30
    Same day
  • 09:00
    11:30
    Same day
  • 10:00
    12:30
    Same day
  • 11:00
    13:30
    Same day
  • 12:00
    14:30
    Same day
  • 13:00
    15:30
    Same day
  • 14:00
    16:30
    Same day
  • 15:00
    17:30
    Same day
  • 16:00
    18:30
    Same day
  • 17:00
    19:30
    Same day
  • 18:00
    20:30
    Same day
  • 19:00
    21:30
    Same day
  • 20:00
    22:30
    Same day
  • 21:00
    23:30
    Same day
  • 22:00
    00:30
    Next day
  • 23:00
    01:30
    Next 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 Istanbul, Colombo, or this corridor.

FAQ

Frequently asked questions

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

Currently, Colombo is 2.5h ahead of Istanbul. This may change through the year if either city observes Daylight Saving Time.