Bansko to Castle Rock, CO: time difference
Castle Rock, CO is 9 h behind Bansko. 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.
Bansko 21:58 9:58 PM Castle Rock, CO 12:58 12:58 PM You –:–
21:58 9:58 PM
Eastern European Summer Time · UTC+3
☀️ 07:33 · 🌙 18:55
12:58 12:58 PM
Mountain Daylight Time · UTC-6
☀️ 07:05 · 🌙 18:29
·
−9 h
Castle Rock, CO is 9 h behind Bansko.
When you, Bansko and Castle Rock, CO are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇬 Bansko
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
🇺🇸 Castle Rock, CO
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
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇬 Bansko | 🇺🇸 Castle Rock, CO |
|---|---|---|
| Local time | 21:58 | 12:58 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern European Summer Time | Mountain Daylight Time |
| UTC offset | UTC+3 | UTC-6 |
| Offset from Bansko | — | −9 h |
| IANA zone | Europe/Sofia | America/Denver |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:33 | 07:05 |
| Sunset | 18:55 | 18:29 |
| Daylight | 11 h 22 min | 11 h 25 min |
| People on this clock | 8,000 | 73,158 |
Compare Bansko with another city
More comparisons with Bansko: the time zones next to it and the far side of the clock.
Big time differences
Bansko and Castle Rock, CO: common questions
How many hours behind Bansko is Castle Rock, CO?
The clocks in Castle Rock are 9 hours behind those in Bansko (UTC−6 and UTC+3).
If it is 9:00 AM in Bansko, what time is it in Castle Rock, CO?
At 9:00 AM in Bansko, clocks in Castle Rock show 12:00 AM.
If it is 6:00 PM in Bansko, what time is it in Castle Rock, CO?
At 6:00 PM in Bansko, clocks in Castle Rock show 9:00 AM.
Is there a time when both Bansko and Castle Rock, CO, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Bansko at 9:00 AM, it is 12:00 AM in Castle Rock; the day in Castle Rock starts at 6:00 PM in Bansko time.
When is it still the previous day in Castle Rock, CO?
Until 9:00 AM in Bansko it is still the previous day in Castle Rock. The other way round, from 3:00 PM in Castle Rock it is already the next day in Bansko.
Is the time difference between Bansko and Castle Rock, CO, the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From October 25, 2026, Castle Rock will be 8 hours behind Bansko.
