Boulder, Colorado

Approximate Dawn times in Boulder

1. January 1: 7:23
2. January 22: 7:17
3. February 22
4. March
5. April
6. May
7. June
8. July
9. August
10. September
11. October
12. November
13. December

Start times: Nearest quarter-hour after Civil twilight:

1. January 28: - 6:45
2. February 13 - 6:30
3. February 25 - 6:15
4. March 8 - 7:00* Daylight savings begins - see milking adjustment calendar
5. March 16 - 6:45
6. March 26 - 6:30
7. April 4 - 6:15
8. April 13 - 6:00
9. April 23 - 5:45
10. May 3 - 5:30
11. May 16 - 5:15
12. June 9 - 5:00
13. June 25 - 5:15
14. July 19 - 5:30
15. August 3 - 5:45
16. August 17 - 6:00
17. September 1 - 6:15
18. September 16 - 6:30
19. October 5 - 6:45
20. October 17 - 7:00
21. November 1 - 6:15* Daylight savings ends - see milking adjustment calendar
22. November 14 - 6:30
23. November 28 - 6:45
24. December 16 - 7:00

Jacob Springs start time schedule

7