"Sat, 14 Dec 2024 11:16:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
11:16:16
General datetime
2024-12-14 11:16:16Z
For Database
2024-12-14 11:16:16
For HTTP1.1
Sat, 14 Dec 2024 11:16:16 GMT