"Sun, 10 Mar 2024 14:09:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240310
Only TIME
14:09:45
General datetime
2024-03-10 14:09:45Z
For Database
2024-03-10 14:09:45
For HTTP1.1
Sun, 10 Mar 2024 14:09:45 GMT