Is Mariah's Cookies open today?
The status at the top of this page updates live using the current time in Boulder (Mountain Time), so it stays correct wherever you are searching from.
| Days | Hours |
|---|---|
| Mon–Thu | 11 AM – 8 PM |
| Fri | 11 AM – 9 PM |
| Sat | 9 AM – 9 PM |
| Sun | 9 AM – 8 PM |
Across the week Mariah's Cookies is open about 69 hours. For comparison, the earliest weekday opener in Boulder is Moe's Broadway Bagel at 5:30 AM.
Holiday hours
Bakeries often open early and close early around major holidays — and the days before Thanksgiving and Christmas are among the busiest of the year for pie and cake orders. Expect changes on these upcoming dates:
- Thanksgiving — Thursday, November 26, 2026
- Christmas Eve — Thursday, December 24, 2026
- Christmas Day — Friday, December 25, 2026
- New Year's Day — Friday, January 1, 2027