"Mon, 29 Jul 2024 15:30:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
15:30:34
General datetime
2024-07-29 15:30:34Z
For Database
2024-07-29 15:30:34
For HTTP1.1
Mon, 29 Jul 2024 15:30:34 GMT