# How to convert to Julian DateTime

**URL:** <https://www.ruby-forum.com/t/how-to-convert-to-julian-datetime/126112>\
**Category:** Rails\
**Created:** [January 15, 2008, 2:29pm UTC](https://www.ruby-forum.com/t/how-to-convert-to-julian-datetime/126112 "2008-01-15T14:29:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dharshi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/919ad9/32.png) [@dharshi](https://www.ruby-forum.com/u/dharshi)\
**Post date:** [January 15, 2008, 2:29pm UTC](https://www.ruby-forum.com/t/how-to-convert-to-julian-datetime/126112/1 "2008-01-15T14:29:23Z")

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Please help me with this,

I want to convert a dateTime to Julian date format… and vice versa…

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**Author:** ![dharshi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/919ad9/32.png) [@dharshi](https://www.ruby-forum.com/u/dharshi)\
**Post date:** [January 15, 2008, 6:16pm UTC](https://www.ruby-forum.com/t/how-to-convert-to-julian-datetime/126112/2 "2008-01-15T18:16:24Z")

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On 1/15/08, Dharshini F. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Please help me with this,
> 
> I want to convert a dateTime to Julian date format… and vice versa…

strftime will help you format your datetime.

strptime will help you parse any oddly formatted strings into something  
useful.

[http://www.ruby-doc.org/core/classes/Date.html](http://www.ruby-doc.org/core/classes/Date.html)

[http://www.ruby-doc.org/core/classes/Time.html#M000297](http://www.ruby-doc.org/core/classes/Time.html#M000297)

–  
Greg D.  
[http://destiney.com/](http://destiney.com/)