"Sun, 01 Dec 2024 15:18:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
15:18:39
General datetime
2024-12-01 15:18:39Z
For Database
2024-12-01 15:18:39
For HTTP1.1
Sun, 01 Dec 2024 15:18:39 GMT