4 ms·
We were in the US so we used to get it from the Naval observatory. http://www.usno.navy.mil/USNO/time/master-clock/leap-seconds http://www.usno.navy.mil/USNO/t
by acomjean 14y ago
We were in the US so we used to get it from the Naval observatory.
http://www.usno.navy.mil/USNO/time/master-clock/leap-seconds http://www.usno.navy.mil/USNO/time/master-clock/leap-seconds
they get if from IERS
http://www.iers.org/ http://www.iers.org/
They issue leap second guidance to about 1 year in the future. They adjust typically twice a year as needed (Jan 1 and July 1).
- dhimes 14y agoWas looking up mine while you posted yours. Yours looks like it gives more advance notice. I'm religiously opposed to deleting posts, however, so I'll just upvote yours.
- excuse-me 14y agoI like the name "International Earth Rotation Service" - I always picture some dusty cavern with a giant brass gear wheel and a little old guy coming in with a key every day to wind it up.
- JonnieCache 14y agoGood isn't it. It's the "service" that really makes it I think.
- adavies42 14y agothey should replace the gears with tighter tolerance ones then and clear this up permanently