"Sun, 24 Mar 2024 18:40:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240324
Only TIME
18:40:57
General datetime
2024-03-24 18:40:57Z
For Database
2024-03-24 18:40:57
For HTTP1.1
Sun, 24 Mar 2024 18:40:57 GMT