"Thu, 06 Jun 2024 08:38:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240606
Only TIME
08:38:21
General datetime
2024-06-06 08:38:21Z
For Database
2024-06-06 08:38:21
For HTTP1.1
Thu, 06 Jun 2024 08:38:21 GMT