# Speed of light? or higher question

**URL:** <https://boards.straightdope.com/t/speed-of-light-or-higher-question/715719>\
**Category:** Factual Questions\
**Created:** [March 22, 2015, 10:38pm UTC](https://boards.straightdope.com/t/speed-of-light-or-higher-question/715719 "2015-03-22T22:38:17Z")\
**Posts on this page:** 2\
**Page:** 3

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**Author:** ![billfish678](https://avatars.discourse-cdn.com/v4/letter/b/7bcc69/32.png) [@billfish678](https://boards.straightdope.com/u/billfish678)\
**Post date:** [March 25, 2015, 1:50pm UTC](https://boards.straightdope.com/t/speed-of-light-or-higher-question/715719/41 "2015-03-25T13:50:34Z")

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> [@naita](#):
>
> The OP reads quite clear to me, one day of travel time equalling 50 000 years of time on Earth.

If you travel long distance by Greyhound bus, 50,000 years bus time to 1 day non bus time sounds about right.

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**Author:** ![Shodan](https://avatars.discourse-cdn.com/v4/letter/s/9f8e36/32.png) [@Shodan](https://boards.straightdope.com/u/Shodan)\
**Post date:** [March 25, 2015, 2:10pm UTC](https://boards.straightdope.com/t/speed-of-light-or-higher-question/715719/42 "2015-03-25T14:10:35Z")

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> [@virtually\_yours](#):
>
> I got the formula for the question for the Holy Quran:
> 
> The angels and the Rûh [Jibrael (Gabriel)] ascend to Him in a Day the measure whereof is fifty thousand years, (Al-Ma’arij 70:4)
> 
> And verily, a day with your Lord is as a thousand years of what you reckon. (Al-Hajj 22:47)

Do we know if these are Earth years, Martian years, Neptunian years, galactic years, or something else?

Regards,  
Shodan

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