Time difference
Chicago to Colombo Time Difference
Colombo is 10 hours and 30 minutes ahead of Chicago — when it's 12:00 PM in Chicago, it's 10:30 PM in Colombo. (Chicago (America/Chicago, CDT); Colombo (Asia/Colombo, GMT+5:30).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Colombo is 10 hours and 30 minutes ahead of Chicago. Standard 9 AM–5 PM business hours in Chicago and Colombo do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Chicago and Colombo — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Chicago, it's 7:30 PM in Colombo.
- When it's 9:00 AM in Colombo, it's 10:30 PM the previous day in Chicago.
Colombo is currently 10 hours and 30 minutes ahead of Chicago.
Interactive converter
12:00PM
--:----
Best times to meet
Standard 9 AM – 5 PM hours in Chicago and Colombo do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Chicago, or a 6–8 PM meeting in Colombo.
Quick conversion table
| Chicago | Colombo |
|---|---|
| 12 AM | 10:30 AM |
| 1 AM | 11:30 AM |
| 2 AM | 12:30 PM |
| 3 AM | 1:30 PM |
| 4 AM | 2:30 PM |
| 5 AM | 3:30 PM |
| 6 AM | 4:30 PM |
| 7 AM | 5:30 PM |
| 8 AM | 6:30 PM |
| 9 AM | 7:30 PM |
| 10 AM | 8:30 PM |
| 11 AM | 9:30 PM |
| 12 PM | 10:30 PM |
| 1 PM | 11:30 PM |
| 2 PM | 12:30 AM (next day) |
| 3 PM | 1:30 AM (next day) |
| 4 PM | 2:30 AM (next day) |
| 5 PM | 3:30 AM (next day) |
| 6 PM | 4:30 AM (next day) |
| 7 PM | 5:30 AM (next day) |
| 8 PM | 6:30 AM (next day) |
| 9 PM | 7:30 AM (next day) |
| 10 PM | 8:30 AM (next day) |
| 11 PM | 9:30 AM (next day) |
Daylight saving
On November 1, 2026, Chicago shifts for daylight saving. After that, Colombo will be 11 hours and 30 minutes ahead of Chicago (currently 10 hours and 30 minutes ahead of Chicago). The converter and the tables above always reflect the correct offset for the date you pick.
- Chicago is currently observing daylight saving time.
- Colombo does not observe daylight saving time.
Frequently asked questions
- Is Colombo ahead of or behind Chicago?
- Colombo is 10 hours and 30 minutes ahead of Chicago.
- How many hours ahead of Chicago is Colombo?
- Colombo is 10 hours and 30 minutes ahead of Chicago.
- What time is 9 AM in Chicago in Colombo?
- 9:00 AM in Chicago is 7:30 PM in Colombo.
- What time is noon in Chicago in Colombo?
- 12:00 PM in Chicago is 10:30 PM in Colombo.
- What time is 5 PM in Chicago in Colombo?
- 5:00 PM in Chicago is 3:30 AM the next day in Colombo. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Chicago in Colombo?
- 3:00 PM in Chicago is 1:30 AM the next day in Colombo.
- Is Chicago currently observing daylight saving time?
- Chicago is currently observing daylight saving time (summer time).
- Is Colombo currently observing daylight saving time?
- Colombo does not observe daylight saving time — its UTC offset stays the same all year.
- Do Chicago and Colombo observe daylight saving?
- On November 1, 2026, Chicago shifts for daylight saving. After that, Colombo will be 11 hours and 30 minutes ahead of Chicago (currently 10 hours and 30 minutes ahead of Chicago). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Colombo from Chicago?
- Chicago and Colombo business hours don't overlap. The closest options are early mornings in Chicago or late evenings, when one side stretches outside 9–5.
- When is the best time to call Chicago from Colombo?
- Colombo and Chicago business hours don't overlap. The closest options are early mornings in Colombo or late evenings, when one side stretches outside 9–5.
- Chicago (CDT) to Colombo (GMT+5:30) — how do I convert quickly?
- Add 10 hours and 30 minutes to Chicago local time to get Colombo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Chicago to New York
- Chicago to London
- Chicago to Tokyo
- Chicago to Dubai
- Chicago to Singapore
- Chicago to Los Angeles
- Chicago to Sydney
- Chicago to Paris
- Chicago to Mumbai
- Chicago to Hong Kong