"Mon, 17 Jun 2024 18:36:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
18:36:34
General datetime
2024-06-17 18:36:34Z
For Database
2024-06-17 18:36:34
For HTTP1.1
Mon, 17 Jun 2024 18:36:34 GMT