Title: Plugin causing error: PHP default timezone is Invalid
Last modified: March 19, 2022

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# Plugin causing error: PHP default timezone is Invalid

 *  [presswp](https://wordpress.org/support/users/presswp/)
 * (@presswp)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/plugin-causing-error-php-default-timezone-is-invalid/)
 * I got this error when doing a website health check:
    critical issue: Performance
 *     ```
       PHP default timezone is invalid
       PHP default timezone was changed after WordPress loading by a date_default_timezone_set() function call. This interferes with correct calculations of dates and times.
       ```
   
 * I disabled all the plugin one at a time and the problem persists until I disabled“
   Salah World” plugin, the error went away. From the research I did, I found out
   that The problem appears to be the use of the date_default_timezone_set() function
   which WordPress heavily recommends against using because it causes so many problems.
   
   How can I fix the issue? Any help would be appreciated. Thank you.
    -  This topic was modified 4 years, 2 months ago by [presswp](https://wordpress.org/support/users/presswp/).
    -  This topic was modified 4 years, 2 months ago by [presswp](https://wordpress.org/support/users/presswp/).

The topic ‘Plugin causing error: PHP default timezone is Invalid’ is closed to new
replies.

 * ![](https://ps.w.org/salah-world-prayer-iqamah-timings-for-your-masjids/assets/
   icon-128x128.png?rev=1397510)
 * [Salah World - Prayer and iQamah Timings for Masjids](https://wordpress.org/plugins/salah-world-prayer-iqamah-timings-for-your-masjids/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/salah-world-prayer-iqamah-timings-for-your-masjids/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/salah-world-prayer-iqamah-timings-for-your-masjids/)
 * [Active Topics](https://wordpress.org/support/plugin/salah-world-prayer-iqamah-timings-for-your-masjids/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/salah-world-prayer-iqamah-timings-for-your-masjids/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/salah-world-prayer-iqamah-timings-for-your-masjids/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [presswp](https://wordpress.org/support/users/presswp/)
 * Last activity: [4 years, 2 months ago](https://wordpress.org/support/topic/plugin-causing-error-php-default-timezone-is-invalid/)
 * Status: not resolved