ShadowPoirot Said:
"Do not disturb: When I schedule do not disturb from Monday to Friday (included) to turnoff at 06.15 and for Saturday and Sunday to turnoff at 9.30; it turns off at 06.15 on Saturday morning (it turns off at 9.30 on Sunday morning as scheduled) How should I fix this?"
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Do you Use Daylight Savings?:
Daylight Savings has occurred/will occur depending on your location/region tonight. So, that may be playing a role in this. So, disable Do Not Disturb, then enable Do Not Disturb. Also, restart your device, if you have not done so, since DST took place.