Castle Rock, CO to Bansko: time difference
Bansko is 9 h ahead of Castle Rock, CO. Live clocks for both, the working hours they share, and how each one sits against your own time.
+9 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Castle Rock, CO 15:32 3:32 PM Bansko 00:32 12:32 AM You –:–
15:32 3:32 PM
Mountain Daylight Time · UTC-6
☀️ 07:06 · 🌙 18:28
00:32 12:32 AM
Eastern European Summer Time · UTC+3
☀️ 07:34 · 🌙 18:53
·
+9 h
Bansko is 9 h ahead of Castle Rock, CO.
When you, Castle Rock, CO and Bansko are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Castle Rock, CO
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
🇧🇬 Bansko
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 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
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Castle Rock, CO | 🇧🇬 Bansko |
|---|---|---|
| Local time | 15:32 | 00:32 |
| Local date | Sunday, October 11, 2026 | Monday, October 12, 2026 |
| Time zone | Mountain Daylight Time | Eastern European Summer Time |
| UTC offset | UTC-6 | UTC+3 |
| Offset from Castle Rock, CO | — | +9 h |
| IANA zone | America/Denver | Europe/Sofia |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 07:06 | 07:34 |
| Sunset | 18:28 | 18:53 |
| Daylight | 11 h 22 min | 11 h 19 min |
| People on this clock | 73,158 | 8,000 |
Compare Castle Rock, CO with another city
More comparisons with Castle Rock, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castle Rock, CO and Bansko: common questions
How far ahead of Castle Rock, CO, is Bansko?
Bansko is 9 hours ahead of Castle Rock: UTC+3 against UTC−6.
What time is it in Bansko when it is 9:00 AM in Castle Rock, CO?
When it is 9:00 AM in Castle Rock, it is 6:00 PM in Bansko.
What time is it in Bansko at the end of the working day in Castle Rock, CO?
The working day in Castle Rock ends at 6:00 PM; in Bansko it is 3:00 AM (the next day) at that moment.
When is a good time to call Bansko from Castle Rock, CO?
Working hours (9:00 AM–6:00 PM) in Castle Rock and in Bansko do not overlap. At 9:00 AM in Castle Rock it is 6:00 PM in Bansko; when the working day starts in Bansko, it is 12:00 AM in Castle Rock.
When is it already the next day in Bansko?
From 3:00 PM in Castle Rock, CO, it is already the next day in Bansko. The other way round, until 9:00 AM in Bansko it is still the previous day in Castle Rock.
Does the time difference between Castle Rock, CO, and Bansko change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Bansko will be 8 hours ahead of Castle Rock.
