"Thu, 06 Jun 2024 18:38:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240606
Only TIME
18:38:15
General datetime
2024-06-06 18:38:15Z
For Database
2024-06-06 18:38:15
For HTTP1.1
Thu, 06 Jun 2024 18:38:15 GMT