To find your place from Greenwich Mean Time, see below.

I live in Portland so mine is normally -8 and is -7 during daylight savings time.

Standard Daylight Savings
Time Time
Atlantic
Eastern EST EDT
Central CST CDT
Mountain MST MDT
Pacific PST PDT
Alaska
Hawaii
Standard time:
** GMT ATL EST CST MST PST ALA HAW**
difference -4 -5 -6 -7 -8 -9 -10
00 8P* 7P* 6P* 5P* 4P* 3P* 2P*
01 9P* 8P* 7P* 6P* 5P* 4P* 3P*
02 10P* 9P* 8P* 7P* 6P* 5P* 4P*
03 11P* 10P* 9P* 8P* 7P* 6P* 5P*
04 12A 11P* 10P* 9P* 8P* 7P* 6P*
05 1A 12A 11P* 10P* 9P* 8P* 7P*
06 2A 1A 12A 11P* 10P* 9P* 8P*
07 3A 2A 1A 12A 11P* 10P* 9P*
08 4A 3A 2A 1A 12A 11P* 10P*
09 5A 4A 3A 2A 1A 12A 11P*
10 6A 5A 4A 3A 2A 1A 12A
11 7A 6A 5A 4A 3A 2A 1A
12 8A 7A 6A 5A 4A 3A 2A
13 9A 8A 7A 6A 5A 4A 3A
14 10A 9A 8A 7A 6A 5A 4A
15 11A 10A 9A 8A 7A 6A 5A
16 12P 11A 10A 9A 8A 7A 6A
17 1P 12P 11A 10A 9A 8A 7A
18 2P 1P 12P 11A 10A 9A 8A
19 3P 2P 1P 12P 11A 10A 9A
20 4P 3P 2P 1P 12P 11A 10A
21 5P 4P 3P 2P 1P 12P 11A
22 6P 5P 4P 3P 2P 1P 12P
23 7P 6P 5P 4P 3P 2P 1P
* represents previous day
(i.e. 03 hours 23 January 93 is 8PM-MST 22 January)

Summertime (Daylight savings time) for those states that observe

daylight savings time. For those that do not, use the standard time table all year:

**GMT EDT CDT MDT PDT**

difference -4 -5 -6 -7

00 8P* 7P* 6P* 5P*

01 9P* 8P* 7P* 6P*

02 10P* 9P* 8P* 7P*

03 11P* 10P* 9P* 8P*

04 12A 11P* 10P* 9P*

05 1A 12A 11P* 10P*

06 2A 1A 12A 11P*

07 3A 2A 1A 12A

08 4A 3A 2A 1A

09 5A 4A 3A 2A

10 6A 5A 4A 3A

11 7A 6A 5A 4A

12 8A 7A 6A 5A

13 9A 8A 7A 6A

14 10A 9A 8A 7A

15 11A 10A 9A 8A

16 12P 11A 10A 9A

17 1P 12P 11A 10A

18 2P 1P 12P 11A

19 3P 2P 1P 12P

20 4P 3P 2P 1P

21 5P 4P 3P 2P

22 6P 5P 4P 3P

23 7P 6P 5P 4P

* represents previous day

(i.e. 03 hours 23 June is 9PM-MDT 22 June)