"Sun, 30 Jun 2024 13:54:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
13:54:15
General datetime
2024-06-30 13:54:15Z
For Database
2024-06-30 13:54:15
For HTTP1.1
Sun, 30 Jun 2024 13:54:15 GMT