Convert Eastern Time to Colombo, Sri Lanka. Compare dates, seasonal differences and meeting hours.
ET is 9h 30m or 10h 30m behind Colombo in 2026, depending on the date.
9 AM ET = 7:30 PM Colombo
Selected date: November 10, 2026.
November 10, 2026 · Date changes are marked.
| ET | Colombo |
|---|---|
| 12:00 AM | 10:30 AM |
| 1:00 AM | 11:30 AM |
| 2:00 AM | 12:30 PM |
| 3:00 AM | 1:30 PM |
| 4:00 AM | 2:30 PM |
| 5:00 AM | 3:30 PM |
| 6:00 AM | 4:30 PM |
| 7:00 AM | 5:30 PM |
| 8:00 AM | 6:30 PM |
| 9:00 AM | 7:30 PM |
| 10:00 AM | 8:30 PM |
| 11:00 AM | 9:30 PM |
| ET | Colombo |
|---|---|
| 12:00 PM | 10:30 PM |
| 1:00 PM | 11:30 PM |
| 2:00 PM | 12:30 AM +1 day |
| 3:00 PM | 1:30 AM +1 day |
| 4:00 PM | 2:30 AM +1 day |
| 5:00 PM | 3:30 AM +1 day |
| 6:00 PM | 4:30 AM +1 day |
| 7:00 PM | 5:30 AM +1 day |
| 8:00 PM | 6:30 AM +1 day |
| 9:00 PM | 7:30 AM +1 day |
| 10:00 PM | 8:30 AM +1 day |
| 11:00 PM | 9:30 AM +1 day |
These examples start on 2026-11-10 in Colombo.
ET follows America/New_York. On your selected date it uses UTC−05:00 (EST). Its offset can change when the regional clock rules change.
Fixed alternatives: EST (UTC−05:00) · EDT (UTC−04:00). These labels keep their stated UTC offset throughout the year.
Keeping 09:00 on the ET clock produces 2 different destination clock/date answers in 2026. The ranges below use ET calendar dates, including transition days.
| Dates in ET · 2026 | Colombo answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 19:30Same date | UTC−05:00 → UTC+05:30 | |
| Mar 8 – Oct 31238 dates | 18:30Same date | UTC−04:00 → UTC+05:30 | |
| Nov 1 – Dec 3161 dates | 19:30Same date | UTC−05:00 → UTC+05:30 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
Your complete source day: 2026-11-10. Each range shows which destination date to use.
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.
How Colombo compares with ET throughout 2026.
ET changes its UTC offset in 2026. Colombo keeps one UTC offset this year.
| From (UTC, inclusive) | Until (UTC, exclusive) | Colombo vs ET |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 07:00 UTC | 10h 30m ahead |
| 8 Mar 2026, 07:00 UTC | 1 Nov 2026, 06:00 UTC | 9h 30m ahead |
| 1 Nov 2026, 06:00 UTC | 1 Jan 2027, 00:00 UTC | 10h 30m ahead |
The most frequent difference has Colombo 9h 30m ahead relative to ET. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with ET |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 07:00 UTC | 10h 30m ahead |
| 1 Nov 2026, 06:00 UTC | 1 Jan 2027, 00:00 UTC | 10h 30m ahead |
Every date calculated with your working windows. 261 selected ET workdays; public holidays are not applied.
Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.
ET: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Colombo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
ET is 9h 30m or 10h 30m behind Colombo in 2026, depending on the date. ET changes its UTC offset in 2026. Colombo keeps one UTC offset this year.
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
09:00 in ET on 2026-11-10 is 19:30 in Colombo on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Your selected working windows have no shared time on 2026-11-10. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.