Tbilisi to Casper, WY: time difference
Casper, WY is 10 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 00:17 12:17 AM Casper, WY 14:17 2:17 PM You –:–
00:17 12:17 AM
Georgia Standard Time · UTC+4
☀️ 07:16 · 🌙 18:17
14:17 2:17 PM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
·
−10 h
Casper, WY is 10 h behind Tbilisi.
When you, Tbilisi and Casper, WY 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
🇺🇸 Casper, WY
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇺🇸 Casper, WY |
|---|---|---|
| Local time | 00:17 | 14:17 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Georgia Standard Time | Mountain Daylight Time |
| UTC offset | UTC+4 | UTC-6 |
| Offset from Tbilisi | — | −10 h |
| IANA zone | Asia/Tbilisi | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:16 | 07:23 |
| Sunset | 18:17 | 18:19 |
| Daylight | 11 h | 10 h 57 min |
| People on this clock | 1,241,700 | 58,763 |
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 Casper, WY: common questions
What is the time difference between Tbilisi and Casper, WY?
Casper is 10 hours behind: it uses UTC−6, while Tbilisi is on UTC+4.
If it is 9:00 AM in Tbilisi, what time is it in Casper, WY?
At 9:00 AM in Tbilisi, clocks in Casper show 11:00 PM (the previous day).
If it is 6:00 PM in Tbilisi, what time is it in Casper, WY?
At 6:00 PM in Tbilisi, clocks in Casper show 8:00 AM.
Is there a time when both Tbilisi and Casper, WY, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Tbilisi at 9:00 AM, it is 11:00 PM (the previous day) in Casper; the day in Casper starts at 7:00 PM in Tbilisi time.
When does the date change in Casper, WY, compared with Tbilisi?
The new day starts in Casper later: until 10:00 AM in Tbilisi, it is still the previous day there. From 2:00 PM in Casper, Tbilisi is already on the next day.
Does the time gap between Tbilisi and Casper, WY, change during the year?
Yes – daylight saving time is used in Casper but not in Tbilisi. From November 1, 2026, Casper will be 11 hours behind Tbilisi.
