Tbilisi to Rock Island, IL: time difference
Rock Island, IL 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 01:15 1:15 AM Rock Island, IL 16:15 4:15 PM You –:–
01:15 1:15 AM
Georgia Standard Time · UTC+4
☀️ 07:20 · 🌙 18:12
16:15 4:15 PM
Central Daylight Time · UTC-5
☀️ 07:20 · 🌙 18:15
·
−9 h
Rock Island, IL is 9 h behind Tbilisi.
When you, Tbilisi and Rock Island, IL 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
🇺🇸 Rock Island, IL
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
- Asleep
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- Working hours
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Time zones side by side
| Detail | 🇬🇪 Tbilisi | 🇺🇸 Rock Island, IL |
|---|---|---|
| Local time | 01:15 | 16:15 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 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 | 07:20 | 07:20 |
| Sunset | 18:12 | 18:15 |
| Daylight | 10 h 52 min | 10 h 55 min |
| People on this clock | 1,241,700 | 37,108 |
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 Rock Island, IL: common questions
How many hours behind Tbilisi is Rock Island, IL?
The clocks in Rock Island are 9 hours behind those in Tbilisi (UTC−5 and UTC+4).
What time is it in Rock Island, IL, when it is 9:00 AM in Tbilisi?
When it is 9:00 AM in Tbilisi, it is 12:00 AM in Rock Island.
If it is 6:00 PM in Tbilisi, what time is it in Rock Island, IL?
At 6:00 PM in Tbilisi, clocks in Rock Island show 9:00 AM.
Is there a time when both Tbilisi and Rock Island, IL, 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 12:00 AM in Rock Island; the day in Rock Island starts at 6:00 PM in Tbilisi time.
When is it still the previous day in Rock Island, IL?
Until 9:00 AM in Tbilisi it is still the previous day in Rock Island. The other way round, from 3:00 PM in Rock Island it is already the next day in Tbilisi.
Does the time difference between Tbilisi and Rock Island, IL, change?
Yes. The clocks change only in Rock Island. From November 1, 2026, Rock Island will be 10 hours behind Tbilisi.
