"Sun, 24 Mar 2024 20:14:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240324
Only TIME
20:14:45
General datetime
2024-03-24 20:14:45Z
For Database
2024-03-24 20:14:45
For HTTP1.1
Sun, 24 Mar 2024 20:14:45 GMT