Does Colombo observe daylight saving time?

No. Colombo stays on IST (UTC+5:30) all year, so its clocks don't change.

Does Hong Kong observe daylight saving time?

No. Hong Kong stays on HKT (UTC+8) all year, so its clocks don't change.

What time is it in Hong Kong when it's 9 AM in Colombo?

11:30 AM in Hong Kong, on the same day.

Colombo to Hong Kong Meeting Planner

Hong Kong is 2 hours 30 minutes ahead of Colombo right now. Their working days overlap for 5 hours 30 minutes today.

Colombo · Sri Lanka

9:05 AM

Sun, Oct 18 · IST

Hong Kong · China

11:35 AM

Sun, Oct 18 · HKT

Best Meeting Times Between Colombo and Hong Kong

9:00 AM to 2:30 PM in Colombo (11:30 AM to 5:00 PM in Hong Kong). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

ColomboOrganizerSri Lanka ·9:05AMnow
Hong KongChina ·11:35AMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Colombo

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Colombo time.

1:00PMBest · OptimalWorking hours in Colombo (13:00) and Hong Kong (15:30).
12:30PMOption 2 · OptimalWorking hours in Colombo (12:30) and Hong Kong (15:00).
1:30PMOption 3 · OptimalWorking hours in Colombo (13:30) and Hong Kong (16:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
ColomboIST
Hong KongUTC+8
UTC	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Colombo1:00 PM ISTSun, Oct 18
Hong Kong3:30 PM UTC+8Sun, Oct 18
UTC2026-10-18 07:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Colombo and Hong Kong

Hong Kong is 2 hours 30 minutes ahead of Colombo right now: Hong Kong is on HKT (UTC+8) and Colombo on IST (UTC+5:30). Neither city changes its clocks, so the gap is the same all year.

Time difference between Colombo and Hong Kong over the next 12 months
From	Difference	Why
Now	Hong Kong 2 hours 30 minutes ahead	—

Colombo is on India Standard Time. Hong Kong is on Hong Kong Standard Time.

Frequently Asked Questions: Colombo & Hong Kong Scheduling

What is the time difference between Colombo and Hong Kong?: Hong Kong is 2 hours 30 minutes ahead of Colombo right now: Hong Kong is on HKT (UTC+8) and Colombo on IST (UTC+5:30). Neither city changes its clocks, so the gap is the same all year.
What is the best time to schedule a meeting between Colombo and Hong Kong?: 9:00 AM to 2:30 PM in Colombo (11:30 AM to 5:00 PM in Hong Kong). That's when both cities are inside working hours, 9 AM to 5 PM, giving 5 hours 30 minutes of overlap today.
Does Colombo observe daylight saving time?: No. Colombo stays on IST (UTC+5:30) all year, so its clocks don't change.
Does Hong Kong observe daylight saving time?: No. Hong Kong stays on HKT (UTC+8) all year, so its clocks don't change.
What time is it in Hong Kong when it's 9 AM in Colombo?: 11:30 AM in Hong Kong, on the same day.

Or see every city pair, or plan with more places in the meeting planner.