Tbilisi to Waltham, MA: time difference
Waltham, MA is 8 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 17:10 5:10 PM Waltham, MA 09:10 9:10 AM You –:–
17:10 5:10 PM
Georgia Standard Time · UTC+4
☀️ 07:16 · 🌙 18:17
09:10 9:10 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
·
−8 h
Waltham, MA is 8 h behind Tbilisi.
When you, Tbilisi and Waltham, MA 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
🇺🇸 Waltham, MA
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 15 3 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇺🇸 Waltham, MA |
|---|---|---|
| Local time | 17:10 | 09:10 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | Eastern Daylight Time |
| UTC offset | UTC+4 | UTC-4 |
| Offset from Tbilisi | — | −8 h |
| IANA zone | Asia/Tbilisi | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:16 | 07:02 |
| Sunset | 18:17 | 18:00 |
| Daylight | 11 h | 10 h 58 min |
| People on this clock | 1,241,700 | 60,636 |
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 Waltham, MA: common questions
How many hours behind Tbilisi is Waltham, MA?
The clocks in Waltham are 8 hours behind those in Tbilisi (UTC−4 and UTC+4).
If it is 9:00 AM in Tbilisi, what time is it in Waltham, MA?
At 9:00 AM in Tbilisi, clocks in Waltham show 1:00 AM.
If it is 6:00 PM in Tbilisi, what time is it in Waltham, MA?
At 6:00 PM in Tbilisi, clocks in Waltham show 10:00 AM.
Is there a time when both Tbilisi and Waltham, MA, are at work?
Yes: from 5:00 PM to 6:00 PM in Tbilisi (9:00 AM to 10:00 AM in Waltham), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Waltham, MA?
Until 8:00 AM in Tbilisi it is still the previous day in Waltham. The other way round, from 4:00 PM in Waltham it is already the next day in Tbilisi.
Does the time difference between Tbilisi and Waltham, MA, change?
Yes. The clocks change only in Waltham. From November 1, 2026, Waltham will be 9 hours behind Tbilisi.
