# Maximum (and minimum) certificate lifetimes?

**URL:** <https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264>\
**Category:** Issuance Policy\
**Created:** [August 17, 2015, 12:16pm UTC](https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264 "2015-08-17T12:16:26Z")\
**Posts on this page:** 1\
**Showing post:** 248

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**Author:** ![eva2000](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/eva2000/32/289_2.png) [@eva2000](https://community.letsencrypt.org/u/eva2000)\
**Post date:** [November 25, 2015, 2:50pm UTC](https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264/248 "2015-11-25T14:50:16Z")

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Well in real world, you make do with what you have to work with and we are no Google in terms of man power or $$$.

It takes 7.8 seconds to run a cronjob to auto renew a Letsencrypt SSL certificate via webroot authentication - I timed it [http://centminmod.com/letsencrypt-freessl.html#autocron](http://centminmod.com/letsencrypt-freessl.html#autocron) 😄

 ![](https://global.discourse-cdn.com/letsencrypt/original/2X/c/ce7494d35bbf9c8d718bbf19b25834a50930b81c.gif)

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