Timestame Microservice- Failing Empty Date Parameter

Tell us what’s happening:
I’m failing the empty parameter tests for this challenge even though I can see that locally the empty parameter is returning the correct values. I know this has been posted about multiple times already, but I didn’t see any good directions to a solution. I need to change something about the time setting on my computer to pass the tests or ?

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Challenge: Request Header Parser Microservice

Link to the challenge: