What are the GMT and US Time Zone differences?


This article applies to:

  • Firewall Suite

Question:

What are the GMT and US Time Zone differences?

Information:

Convert GMT to US Time Zone (00:00:00 is midnight)
GMT 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
EST 1900 2000 2100 2200 2300 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800
CST 1800 1900 2000 2100 2200 2300 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700
MST 1700 1800 1900 2000 2100 2200 2300 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600
PST 1600 1700 1800 1900 2000 2100 2200 2300 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500
Note: US time zones are one hour closer to GMT during Daylight Savings Time

Microsoft IIS4 log files record time in GMT (hh:mm:ss)

The daily log file range 00:00:00 to 23:59:59 in GMT equals

EST (US) CST (US) MST (US) PST (US)
00:00:00 - 23:59:59 19:00:00 - 18:59:59 18:00:00 - 17:59:59 17:00:00 - 16:59:59 16:00:00 - 15:59:59

This article was previously published as:
NETIQKB1246

Last Modified 4/12/2006.
https://support.trustwave.com/kb/KnowledgebaseArticle10825.aspx