Re^3: Leap Second

and leap seconds in the past aren't erased.

Leap seconds can need to be subtracted, (due to nutation?), though this is likely to occur much less frequently than their being added. It also doesn't detract from your quoted point, but does complicate things a little.

I also read(search for IERS) that leap seconds are only added on June ~~31st~~30th or December 31st, so bi-annual updates should suffice.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.

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Re^4: Leap Second by Happy-the-monk (Canon) on Dec 31, 2005 at 10:35 UTC
only added on June 31s 31 June would be a leapday, right? Guess you were thinking about 30 June, the last day of the month. Cheers, Sören	[reply]
Re^5: Leap Second by BrowserUk (Patriarch) on Dec 31, 2005 at 11:21 UTC
Indeed. Thanks, corrected. Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error. Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal? "Science is about questioning the status quo. Questioning authority". In the absence of evidence, opinion is indistinguishable from prejudice.	[reply] [d/l]
Re^4: Leap Second by ysth (Canon) on Jan 01, 2006 at 05:15 UTC
In an "emergency", IERS could add leap seconds at the end of March or September. Presumably this would happen with less than the 6 months less a few days warning that June/December leap seconds get.	[reply]
Re^4: Leap Second by Perl Mouse (Chaplain) on Jan 01, 2006 at 23:31 UTC
I also read(search for IERS) that leap seconds are only added on June 30th or December 31st, so bi-annual updates should suffice. But you don't want to update your lists at the times leap seconds are added (or skipped). We're talking about Date::Calc, and some people use it to calculate dates in the future. You want to update your lists as soon as it has been decided a leap second will be added or skipped. I don't know how often people meet to determine whether we'll need another leap second, but I doubt it's more often than four times a year. `Perl --((8:>*`	[reply]