Tbilisi to Chatham: time difference
Chatham is 3 h behind Tbilisi. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tbilisi 15:26 3:26 PM Chatham 12:26 12:26 PM You –:–
15:26 3:26 PM
Georgia Standard Time · UTC+4
☀️ 07:16 · 🌙 18:17
12:26 12:26 PM
British Summer Time · UTC+1
☀️ 07:27 · 🌙 18:01
·
−3 h
Chatham is 3 h behind Tbilisi.
When you, Tbilisi and Chatham are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇪 Tbilisi
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇬🇧 Chatham
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇬🇧 Chatham |
|---|---|---|
| Local time | 15:26 | 12:26 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | British Summer Time |
| UTC offset | UTC+4 | UTC+1 |
| Offset from Tbilisi | — | −3 h |
| IANA zone | Asia/Tbilisi | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:16 | 07:27 |
| Sunset | 18:17 | 18:01 |
| Daylight | 11 h | 10 h 34 min |
| People on this clock | 1,241,700 | 76,792 |
Compare Tbilisi with another city
More comparisons with Tbilisi: the time zones next to it and the far side of the clock.
Big time differences
Tbilisi and Chatham: common questions
What is the time difference between Tbilisi and Chatham?
Chatham is 3 hours behind: it uses UTC+1, while Tbilisi is on UTC+4.
If it is 9:00 AM in Tbilisi, what time is it in Chatham?
At 9:00 AM in Tbilisi, clocks in Chatham show 6:00 AM.
If it is 6:00 PM in Tbilisi, what time is it in Chatham?
At 6:00 PM in Tbilisi, clocks in Chatham show 3:00 PM.
Is there a time when both Tbilisi and Chatham are at work?
Yes: from 12:00 PM to 6:00 PM in Tbilisi (9:00 AM to 3:00 PM in Chatham), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Tbilisi is it still yesterday in Chatham?
Before 3:00 AM in Tbilisi, the date in Chatham has not changed yet. From 9:00 PM in Chatham, it is already the next day in Tbilisi.
Does the time gap between Tbilisi and Chatham change during the year?
Yes – daylight saving time is used in Chatham but not in Tbilisi. From October 25, 2026, Chatham will be 4 hours behind Tbilisi.
