If you set up an alarm, your Huawei-device will save it and you can turn it on and off within the clock app without the need to set up a new clock everytime. 

Android 10 (EMUI 10.0)
Step 1:  Tap on  Clock
Step 2:  Activate or deactivate the  alarm
  1. Tap on Clock
  2. Activate or deactivate the alarm

Huawei Instructions
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