"Sun, 01 Dec 2024 15:13:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
15:13:36
General datetime
2024-12-01 15:13:36Z
For Database
2024-12-01 15:13:36
For HTTP1.1
Sun, 01 Dec 2024 15:13:36 GMT