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Well, it has it wrong, depending on what you are using it for. If you are putting in a calendar entry for the next predicted Lunar eclipse storing them in anyth
by VBprogrammer 12y ago
Well, it has it wrong, depending on what you are using it for. If you are putting in a calendar entry for the next predicted Lunar eclipse storing them in anything but UTC is wrong.
- laut 12y agoTAI would be better than UTC for the next Lunar eclipse in case you want to be exact to the second ;) But yes, if you schedule the meeting in UTC, use UTC. The point is not to convert from non-UTC to UTC.
- arielby 12y agoUTC just provides a labeling for TAI/TT seconds, so a count-of-UTC-seconds timestamp is identical to a count-of-TAI-seconds timestamp (assuming the same epoch). Both are different from a count-of-non-leap-UTC-seconds aka POSIX time.
- taejo 12y agoYes, but we don't know what that labeling will be in the future.
- laut 12y agoYou cannot know for sure how many leap seconds there will be in for instance the next 5 years. So you cannot know for sure exactly how many seconds there will elapse from now until for instance July 1st 2020 midnight UTC.