# Change the first day of week on popup referring to the date/time field

**URL:** <https://forums.knack.com/t/change-the-first-day-of-week-on-popup-referring-to-the-date-time-field/6368>\
**Category:** Feature Requests\
**Tags:** calendars\
**Created:** [November 6, 2018, 10:45pm UTC](https://forums.knack.com/t/change-the-first-day-of-week-on-popup-referring-to-the-date-time-field/6368 "2018-11-06T22:45:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![LuigiAbret13799](https://avatars.discourse-cdn.com/v4/letter/l/b9e5f3/32.png) [@LuigiAbret13799](https://forums.knack.com/u/LuigiAbret13799)\
**Post date:** [November 6, 2018, 10:45pm UTC](https://forums.knack.com/t/change-the-first-day-of-week-on-popup-referring-to-the-date-time-field/6368/1 "2018-11-06T22:45:00Z")

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Ability to change the first day of week to Monday on popup calendar referring to the date/time field.

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<div class="post-metadata">

**Author:** ![SergiEgea35645](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.knack.com/sergiegea35645/32/235_2.png) [@SergiEgea35645](https://forums.knack.com/u/SergiEgea35645)\
**Post date:** [July 1, 2019, 2:31pm UTC](https://forums.knack.com/t/change-the-first-day-of-week-on-popup-referring-to-the-date-time-field/6368/2 "2019-07-01T14:31:48Z")

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Add this line in Javascript section:

$.datepicker.setDefaults( { firstDay: 1 } );