# Earth hour flow

**URL:** https://community.homey.app/t/earth-hour-flow/114004
**Category:** Flows
**Tags:** advancedflow
**Created:** [August 6, 2024, 8:52pm UTC](https://community.homey.app/t/earth-hour-flow/114004 "2024-08-06T20:52:51Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![LasseRy](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/lassery/32/104532_2.png) [@LasseRy](https://community.homey.app/u/LasseRy)
#### Post date: [August 6, 2024, 8:52pm UTC](https://community.homey.app/t/earth-hour-flow/114004/1 "2024-08-06T20:52:51Z")

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Hi,  
Does anyone have any advanced flow for earth hour - so lights that already is off will be off when the earth our is over, and the lights that have been turned off will turn to on again.

Thanks

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### Author: ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)
#### Post date: [August 7, 2024, 12:37am UTC](https://community.homey.app/t/earth-hour-flow/114004/2 "2024-08-07T00:37:47Z")

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Zone memory app can do that.

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### Author: ![DirkG](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/dirkg/32/118897_2.png) [@DirkG](https://community.homey.app/u/DirkG)
#### Post date: [August 7, 2024, 9:13am UTC](https://community.homey.app/t/earth-hour-flow/114004/3 "2024-08-07T09:13:59Z")

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I use the [IcalCalendar](https://homey.app/en-de/app/no.runely.calendar/IcalCalendar/) App for such purposes, e.g. Earth Hour or while Advent.

The outdoor lights will be switched between 15:00 - 21:55 o’clock on depending of the outdoor brightness, but only if currently is not the **Earth Hour** :

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/2/4/24688886b8612e9b1cd4f7cbde88d6c1fd365756.png)

If the lights are already switched on earlier and the **Earth Hour** begins, then the lights will be switched off:

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/0/f0a4e4717ff4359097126da78faeafac23cb6a73.png)

If **Earth Hour** ends, the lights are switched on again:

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/5/4/54b47a86cf1a519e70f441031f4ecd1d15bfba59.png)

With the IcaCalender App I control many more things individually. For example, if we have vacations, weekend or if it’s a public holiday the shutters will be opened later than on “normal” days.

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### Author: ![LasseRy](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/lassery/32/104532_2.png) [@LasseRy](https://community.homey.app/u/LasseRy)
#### Post date: [August 8, 2024, 8:35am UTC](https://community.homey.app/t/earth-hour-flow/114004/4 "2024-08-08T08:35:57Z")

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Thanks for the suggestions, very helpful. 👍