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Physikalisch-Technische Bundesanstalt

StructureDiv. 4 Optics4.4 Time and Frequency > 4.42 Dissemination of Time
Dissemination of Time
Working Group 4.42



Three years passed since a leap second was introduced in Coordinated Universal Time (UTC), it will happen again in summer this year. The International Earth Rotation and Reference Systems Service (IERS) announced the matter in its Bulletin C 49 from 5 January 2015. In UTC on the 30 June 2015 the time reading will be 23:59:59, 23:59:60 before the 1 July, 00:00:00 is reached. This will happen at the same instant all over the world. Because of the two hours time offset between UTC and Central European Summer Time (CEST), legal time in Germany in June / July, in CEST the leap second will be introduced at the end of the second hour of the new day.



Head of Working Group Dr. Andreas Bauch
Phone: +49-531 592-4420
Fax: +49-531 592-4479
E-Mail: andreas.bauch@ptb.de

Office Martina Bäumler
Phone: +49-531 592-4419
Fax: +49-531 592-4479
E-Mail: martina.baeumler@ptb.de

Address Physikalisch-Technische Bundesanstalt
Arbeitsgruppe 4.42
Bundesallee 100
38116 Braunschweig

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