[Python] Adjust python runtime Azure Function app timer trigger for daylight saving time

My server runs on a start and stop schedule that unfortunately follows daylight saving time. I am looking for a way to dynamically change the CRON schedule on my function app to account for daylight saving time. This is easy in the python code; however, the function app timer trigger doesn't work when you set anything other than a literal string to the schedule parameter of azure.functions.FunctionApp.schedule().

import azure.functions as func
import logging

app = func.FunctionApp()

@app.schedule(
schedule="<cron_schedule>"
,arg_name="myTimer"
,run_on_startup=False
,use_monitor=True
)

def timer_trigger(myTimer: func.TimerRequest) -> None:
if myTimer.past_due:
logging.info('The timer is past due!')

logging.info('Python timer trigger function executed.')


For example, in @app.schedule(), if you set schedule = "0 35 * * * *", the scheduler triggers on the 35th minute every hour as expected. After verifying that literal strings work, I tried the following approaches which allow for dynamic inputs:

schedule=f"0 {35} * * * *"


var_cron = "0 35 * * * *"
schedule=var_cron


schedule="0 {minutes} * * * *".format(minutes=35)


Even though the Timer Trigger Issue Analysis application insight in the diagnostic hub shows the CRON as 0 35 * * * * for all of these approaches, the app does not actually trigger. Manually running the app in the azure portal returns no errors. Also, the diagnostic view "Functions that are not triggering" returns no errors. From every angle I thought to check, it seems Azure understands what is being passed into the schedule parameter of @app.schedule(). Is there another python approach you can think of trying? Is this a known bug on Azure's side? Any help is very much appreciated.

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