"Sun, 16 Jun 2024 17:58:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
17:58:17
General datetime
2024-06-16 17:58:17Z
For Database
2024-06-16 17:58:17
For HTTP1.1
Sun, 16 Jun 2024 17:58:17 GMT