"Sat, 14 Dec 2024 08:38:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
08:38:11
General datetime
2024-12-14 08:38:11Z
For Database
2024-12-14 08:38:11
For HTTP1.1
Sat, 14 Dec 2024 08:38:11 GMT