12 AM HST to EDT
Hawaii Standard Time → Eastern Daylight Time
Outside business hours
HST
12 AM
UTC-10
=
EDT
6 AM
UTC-4
12 AM HST (Hawaii Standard Time) equals 6 AM EDT (Eastern Daylight Time). This falls outside typical business hours for one or both regions.
Live — HST
15:25:26
Friday, March 20
UTC-10
Live — EDT
21:25:26
Friday, March 20
UTC-4
DST activeEDT
- Full name
- Eastern Daylight Time
- UTC offset
- UTC-4
- DST
- Not observed
- Region
- North America
24-Hour Comparison — HST to EDT
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
HSTEDTDayMeeting
12 AMthis
6 AM
–
Off hours
1 AM
7 AM
–
Off hours
2 AM
8 AM
–
Early/Late
3 AM
9 AM
–
Early/Late
4 AM
10 AM
–
Early/Late
5 AM
11 AM
–
Early/Late
6 AM
12 PM
–
Early/Late
7 AM
1 PM
–
Early/Late
8 AM
2 PM
–
Good
9 AM
3 PM
–
Good
10 AM
4 PM
–
Good
11 AM
5 PM
–
Good
12 PM
6 PM
–
Good
1 PM
7 PM
–
Early/Late
2 PM
8 PM
–
Early/Late
3 PM
9 PM
–
Early/Late
4 PM
10 PM
–
Early/Late
5 PM
11 PM
–
Early/Late
6 PM
12 AM
+1d
Early/Late
7 PM
1 AM
+1d
Off hours
8 PM
2 AM
+1d
Off hours
9 PM
3 AM
+1d
Off hours
10 PM
4 AM
+1d
Off hours
11 PM
5 AM
+1d
Off hours
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — HST to EDT
Hub page →HST ↔ EDT Overview
Full 24-hour chart, live clocks, FAQ
Major Cities
EDT Cities