Tbilisi to Columbia, TN: time difference
Columbia, TN is 9 h behind Tbilisi. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tbilisi 01:07 1:07 AM Columbia, TN 16:07 4:07 PM You –:–
01:07 1:07 AM
Georgia Standard Time · UTC+4
☀️ 07:18 · 🌙 18:15
16:07 4:07 PM
Central Daylight Time · UTC-5
☀️ 06:58 · 🌙 18:10
·
−9 h
Columbia, TN is 9 h behind Tbilisi.
When you, Tbilisi and Columbia, TN 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
🇺🇸 Columbia, TN
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 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
📍 Your time
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- Early
- Working hours
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Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇺🇸 Columbia, TN |
|---|---|---|
| Local time | 01:07 | 16:07 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | Central Daylight Time |
| UTC offset | UTC+4 | UTC-5 |
| Offset from Tbilisi | — | −9 h |
| IANA zone | Asia/Tbilisi | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:18 | 06:58 |
| Sunset | 18:15 | 18:10 |
| Daylight | 10 h 58 min | 11 h 12 min |
| People on this clock | 1,241,700 | 672,228 |
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 Columbia, TN: common questions
How far behind Tbilisi is Columbia, TN?
Columbia is 9 hours behind Tbilisi: UTC−5 against UTC+4.
What time is it in Columbia, TN, at the start of the working day in Tbilisi?
The working day in Tbilisi starts at 9:00 AM; in Columbia it is 12:00 AM at that moment.
What time is it in Columbia, TN, at the end of the working day in Tbilisi?
The working day in Tbilisi ends at 6:00 PM; in Columbia it is 9:00 AM at that moment.
When do working hours in Tbilisi and in Columbia, TN, overlap?
They don't: there are no shared working hours. The start of the day in Tbilisi (9:00 AM) is 12:00 AM in Columbia, and the start of the day in Columbia is 6:00 PM in Tbilisi.
When does the date change in Columbia, TN, compared with Tbilisi?
The new day starts in Columbia later: until 9:00 AM in Tbilisi, it is still the previous day there. From 3:00 PM in Columbia, Tbilisi is already on the next day.
Is the time difference between Tbilisi and Columbia, TN, the same all year?
No. Only Columbia switches to summer time, so the gap changes twice a year. From November 1, 2026, Columbia will be 10 hours behind Tbilisi.
