"Sun, 30 Jun 2024 21:54:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
21:54:56
General datetime
2024-06-30 21:54:56Z
For Database
2024-06-30 21:54:56
For HTTP1.1
Sun, 30 Jun 2024 21:54:56 GMT