Home / About NTTA / Policies & Procedures UTC Conversion Chart Standard Time Conversion Chart UTC - London. CET - Amsterdam / Paris / Frankfurt / Madrid. EST, CST, MST, PST - use from first Sunday in November to the second Sunday in March. ACT - Australian time; - Sydney / others. JST - use for Japanese maintenance windows; - Tokyo / others. Table 1: Standard Time Conversion European Zones US Zones Asian Zones UTC CET EST CST MST PST ACT JST 0000 0100 1900 1800 1700 1600 1000 0900 0100 0200 2000 1900 1800 1700 1100 1000 0200 0300 2100 2000 1900 1800 1200 1100 0300 0400 2200 2100 2000 1900 1300 1200 0400 0500 2300 2200 2100 2000 1400 1300 0500 0600 0000 2300 2200 2100 1500 1400 0600 0700 0100 0000 2300 2200 1600 1500 0700 0800 0200 0100 0000 2300 1700 1600 0800 0900 0300 0200 0100 0000 1800 1700 0900 1000 0400 0300 0200 0100 1900 1800 1000 1100 0500 0400 0300 0200 2000 1900 1100 1200 0600 0500 0400 0300 2100 2000 1200 1300 0700 0600 0500 0400 2200 2100 1300 1400 0800 0700 0600 0500 2300 2200 1400 1500 0900 0800 0700 0600 0000 +1d 2300 1500 1600 1000 0900 0800 0700 0100 +1d 0000 +1d 1600 1700 1100 1000 0900 0800 0200 +1d 0100 +1d 1700 1800 1200 1100 1000 0900 0300 +1d 0200 +1d 1800 1900 1300 1200 1100 1000 0400 +1d 0300 +1d 1900 2000 1400 1300 1200 1100 0500 +1d 0400 +1d 2000 2100 1500 1400 1300 1200 0600 +1d 0500 +1d 2100 2200 1600 1500 1400 1300 0700 +1d 0600 +1d 2200 2300 1700 1600 1500 1400 0800 +1d 0700 +1d 2300 0000 +1d 1800 1700 1600 1500 0900 +1d 0800 +1d Daylight Savings/Summer Conversion Chart BST - British Summer Time, London. CEST - Central Europe Summer Time, Amsterdam / Paris / Frankfurt / Madrid. EDT, CDT, MDT, PDT - Use from second Sunday in March to the first Sunday in November. Table 2: Daylight Savings Time Conversion European Zones US Zones UTC BST* CEST EDT CDT MDT PDT 0000 0100 0200 2000 1900 1800 1700 0100 0200 0300 2100 2000 1900 1800 0200 0300 0400 2200 2100 2000 1900 0300 0400 0500 2300 2200 2100 2000 0400 0500 0600 0000 2300 2200 2100 0500 0600 0000 0100 0000 2300 2200 0600 0700 0800 0200 0100 0000 2300 0700 0800 0900 0300 0200 0100 0000 0800 0900 1000 0400 0300 0200 0100 0900 1000 1100 0500 0400 0300 0200 1000 1100 1200 0600 0500 0400 0300 1100 1200 1300 0700 0600 0500 0400 1200 1300 1400 0800 0700 0600 0500 1300 1400 1500 0900 0800 0700 0600 1400 1500 1600 1000 0900 0800 0700 1500 1600 1700 1100 1000 0900 0800 1600 1700 1800 1200 1100 1000 0900 1700 1800 1900 1300 1200 1100 1000 1800 1900 2000 1400 1300 1200 1100 1900 2000 2100 1500 1400 1300 1200 2000 2100 2200 1600 1500 1400 1300 2100 2200 2300 1700 1600 1500 1400 2200 2300 0000 +1d 1800 1700 1600 1500 2300 0000 +1d 0100 +1d 1900 1800 1700 1600 0000 0100 +1d 0200 +1d 2000 1900 1800 1700 *British Summer Time goes into effect on the last Sunday of March at 1:00 AM and ends on the last Sunday in October at 1:00 AM. For 2003, BST was in effect beginning March 30 until October 26.

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