Go to flow.microsoft.com to sign in >> go to left navigation menu >> + create >> select a scheduled flow >> give a flow name >> give the daily repition option as 1 day >> click create.
Your new flow is created with the below-selected trigger.
Now start filling the Teams channel details as shown below by adding the actions.
Flow 1
Flow 2
The above flow gets triggered every 13:30 Hrs IST as mentioned in the advance settings of the trigger used: recurrence.
The above flow gets triggered every 22:30 Hrs IST as mentioned in the advance settings of the trigger used: recurrence.
We have built 2 flows one for afternoon timing when shift timing starts and another in the night when shift timing gets completed.
Here is the output as per the timings scheduled as shown below:
Limitations
It has to be turned off on weekends to avoid unnecessary mails triggering and needs to be turned on Monday again.
Image signature can't be included using HTML coding or HRef tagging etc. as it's not supported currently.
Conclusion
Finally, we have developed a daily mail triggering flow with afternoon shift timings to all the members belonging to a channel establishing a quick timely notification with a cool greeting kind of representation.
Cheers!!