[LEAPSECS] one second tolerance
dot at dotat.at
Wed Feb 9 07:02:47 EST 2011
On Wed, 9 Feb 2011, Ian Batten wrote:
> It also opens the interesting question of what timestamps mean in a
> non-monotonic timescale: during the autumn change, a hour is repeated.
> So as far as a clock ticking civil time is concerned, you have 0100
> through 0200 twice, once a year. Events stamped 0130.01 and 0130.02
> could be an hour and a second apart.
As far as I can tell from a brief look at the document, the accurate
timestamp requirement applies to trading data, and they don't trade when
there is a DST change or when leap seconds occur.
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7,
DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR
ROUGH. RAIN THEN FAIR. GOOD.
More information about the LEAPSECS