Is Eileen's Colossal Cookies open today?
The status at the top of this page updates live using the current time in Littleton (Mountain Time), so it stays correct wherever you are searching from.
| Days | Hours |
|---|---|
| Mon–Fri | 10 AM – 6 PM |
| Sat–Sun | 10 AM – 5 PM |
Across the week Eileen's Colossal Cookies is open about 54 hours. For comparison, the earliest weekday opener in Littleton is Einstein Bros. Bagels 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