"Thu, 27 Jun 2024 21:16:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
21:16:16
General datetime
2024-06-27 21:16:16Z
For Database
2024-06-27 21:16:16
For HTTP1.1
Thu, 27 Jun 2024 21:16:16 GMT