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Timecodes (leap seconds, Daylight Saving Time and Shortcuts)


All changes from or to the Central European Time to Central European Summer Time (CEST) after 1995:
European Timezone changes
1995: CET >>> CEST SundayMarch 26, 19952:00 am>>>3:00 am
CEST >>>CETSundaySeptember 24, 1995 3:00 am>>>2:00 am
1996:CET>>>CESTSundayMarch 31, 19962:00 am>>>3:00 am
CEST>>>CETSundayOctober 27, 19963:00 am>>>2:00 am
1997:CET>>>CESTSundayMarch 31, 19972:00 am>>>3:00 am
CEST>>>CETSundayOctober 26, 19973:00 am>>>2:00 am
1998:CET>>>CESTSundayMarch 29, 19982:00 am>>>3:00 am
CEST>>>CETSunday October 25, 19983:00 am>>>2:00 am
1999:CET>>>CESTSundayMarch 28, 19992:00 am>>>3:00 am
CEST>>>CETSundayOctober 31, 19993:00 am>>>2:00 am
2000:CET>>>CESTSundayMarch 26, 20002:00 am>>>3:00 am
CEST>>>CETSundayOctober 29, 20003:00 am>>>2:00 am
2001:CET>>>CESTSundayMarch 25, 20012:00 am>>>3:00 am
CEST>>>CETSundayOctober 28, 20013:00 am>>>2:00 am
2002:CET>>>CESTSundayMarch 31, 20022:00 am>>>3:00 am
CEST>>>CETSundayOctober 27, 20023:00 am>>>2:00 am
2003:CET>>>CESTSundayMarch 30, 20032:00 am>>>3:00 am
CEST>>>CETSundayOctober 26, 20033:00 am>>>2:00 am
2004:CET>>>CESTSundayMarch 28, 20042:00 am>>>3:00 am
CEST>>>CETSundayOctober 31, 20043:00 am>>>2:00 am
2005:CET>>>CESTSundayMarch 27, 20052:00 am>>>3:00 am
CEST>>>CETSundayOctober 30, 20053:00 am>>>2:00 am
2006:CET>>>CESTSundayMarch 26, 20062:00 am>>>3:00 am
CEST>>>CETSundayOctober 29, 20063:00 am>>>2:00 am

Leap seconds

Difference between the UT1, UTC and TAI all leap seconds after 1972 UTC TAI
leapsecounds
11.July 1, 19721 sec. before 1:00 am CET0:00:000:00:11
12.January 1, 19731 sec. before 1:00 am CET0:00:000:00:12
13.January 1, 19741 sec. before 1:00 am CET0:00:000:00:13
14.January 1, 19751 sec. before 1:00 am CET0:00:000:00:14
15.January 1, 19761 sec. before 1:00 am CET0:00:000:00:15
16.January 1, 19771 sec. before 1:00 am CET0:00:000:00:16
17.January 1, 19781 sec. before 1:00 am CET0:00:000:00:17
18.January 1, 19791 sec. before 1:00 am CET0:00:000:00:18
19.January 1, 19801 sec. before 1:00 am CET0:00:000:00:19
20.July 1, 19811 sec. before 2:00 am CEST0:00:000:00:20
21.July 1, 19821 sec. before 2:00 am CEST0:00:000:00:21
22.July 1, 19831 sec. before 2:00 am CEST0:00:000:00:22
23.July 1, 19851 sec. before 2:00 am CEST0:00:000:00:23
24.January 1, 19881 sec. before 1:00 am CET0:00:000:00:24
25.January 1, 19901 sec. before 1:00 am CET0:00:000:00:25
26.January 1, 19911 sec. before 1:00 am CET0:00:000:00:26
27.July 1, 19921 sec. before 2:00 am CEST0:00:000:00:27
28.July 1, 19931 sec. before 2:00 am CEST0:00:000:00:28
29.July 1, 19941 sec. before 2:00 am CEST0:00:000:00:29
30.January 1, 19961 sec. before 1:00 am CET0:00:000:00:30
31.July 1, 19971 sec. before 2:00 am CEST0:00:000:00:31
32.January 1, 19991 sec. before 1:00 am CET0:00:000:00:32
33.January 1, 20061 sec. before 1:00 am CET0:00:000:00:33

Timecode names:

DST:Daylight Saving Time, shortcut for summertime
GMT:old name for "Greenwich Mean Time", the new name is UTC.
CET:Central European Time. Standard Time in Germany at the winter. CET = UTC +1 h
CEST:Central European Summer Time. Standard Time in Germany in summer. CEST = UTC +2 h. First used 1978.
MEZ:German name for CET
MESZ:German name for CEST
TAI:indipendent time from the earth rotation. No corrections. There are differences to UTC. Now this are 33 seconds.
UT1:middle suntime at the meridian at Greenwich. If the difference between this time and the UTC is 0,9 seconds, it will by insert a leap second.
UTC:Universal Time Coordinated, is not influenced with the changes from or to CEST, is running continuously except leap seconds.

Many thanks to the PTB for this informations.

 
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Last Update: 13.08.2000