"Sun, 01 Dec 2024 10:15:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
10:15:03
General datetime
2024-12-01 10:15:03Z
For Database
2024-12-01 10:15:03
For HTTP1.1
Sun, 01 Dec 2024 10:15:03 GMT