Night light isn't automatically toggling on / off

Using /e/OS
1

Hi,
I don’t know if this is only Gigaset issue but night light won’t toggle on / off automatically. No difference if I turn on GPS or not (some night light programs depend on GPS being toggled on)
I’m having it set to “toggle on from sunset to sunrise”.

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2

Turn the night mode completely off again and then on again.
I also had this problem with LineageOS on my Oneplus 5.