Maybe the only time when it's legitimately fine to take melatonin.

Café, dormir.

Use app Timeshifter

Don’t sleep until its time to sleep were you are, you get tire but it help me

Don't nap, push through until the evening.

Get up early enough to catch the sunrise & go an look at it.

bare feet on carpet and water

Rigorous exercise immediately upon arrival

Don’t drink alcohol. Lots of natural sun light

Sorry. Bit too late now. But you can prevent jet lag by going to sleep and waking up at certain times specific to your destination.

You can use the Time Shift app to calculate these 😅