"Mon, 17 Jun 2024 06:37:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
06:37:38
General datetime
2024-06-17 06:37:38Z
For Database
2024-06-17 06:37:38
For HTTP1.1
Mon, 17 Jun 2024 06:37:38 GMT