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143 votes

Is the Gregorian calendar the "most accurate calendar ever devised"?

Is Neil Tyson's claim that the Gregorian calendar is the “most accurate calendar ever devised” true? TL; DR: The Gregorian calendar qualifies as "most accurate" if one defines "most ...
David Hammen's user avatar
  • 15.2k
52 votes

Is the Gregorian calendar the "most accurate calendar ever devised"?

False. That little outfit called NASA says this: The Persian Calendar, also known as the Iranian Calendar, is made available in a similar fashion for it is the most accurate of calendars. These ...
LangLаngС's user avatar
  • 44.1k
23 votes

Is the Gregorian calendar the "most accurate calendar ever devised"?

It's a fair statement to make, even if not true (and especially not when taken out of context). From the context it's apparent that he meant predictive calendars in widespread use. Also one can imply ...
Daniel Balas's user avatar
17 votes

Is the Gregorian calendar the "most accurate calendar ever devised"?

Basically, Tyson's claim is roughly true considering that more accurate alternatives in actual use are either: observation-based, i.e. tweak the calendar at is goes (current Persian i.e. Solar Hijri ...
got trolled too much this week's user avatar
9 votes

Has the CERN LHC Muon Detector caused mini singularities within Earths atmosphere?

This is based on an April Fools joke posted on the NOVA Next blog, April 1, 2015. http://www.pbs.org/wgbh/nova/next/physics/lhc-accidental-rainbow-universe/ "Jessica Czerniski", who is quoted in the ...
Nate Eldredge's user avatar
8 votes

Does aviation benefit from Daylight Savings Time?

A brief web search suggests that aviation would have no benefit or disadvantage from either regular clock changes or their abolition – at least when it comes to reporting time itself. This is because ...
Jan's user avatar
  • 460
4 votes

Have edible jars of honey been found in thousand-year-old Egyptian tombs?

Evidence for it seems to be lacking. This is the closest I've found to an exploration of the sources and the most likely source for the claim is the 1907 account of explorer Theodore Davis regarding ...
Sean Duggan's user avatar
  • 6,568
2 votes

Is the Gregorian calendar the "most accurate calendar ever devised"?

The problem with all calendars is that the Earth's rotation is not stable, but decreasing in an unpredictable and irregular way. Or, to put this an other way, the traditional Gregorian calendar is not ...
Roland's user avatar
  • 121
1 vote

Is the Gregorian calendar the "most accurate calendar ever devised"?

The baha'i calendar is defined to start each new year at the spring solstice. Whereas with most other calendars you can precalculate the date of say march 21st thousands of years in advance (eg to ...
eMBee's user avatar
  • 111

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