"Sun, 01 Dec 2024 05:15:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
05:15:18
General datetime
2024-12-01 05:15:18Z
For Database
2024-12-01 05:15:18
For HTTP1.1
Sun, 01 Dec 2024 05:15:18 GMT