"Sat, 14 Dec 2024 09:40:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
09:40:08
General datetime
2024-12-14 09:40:08Z
For Database
2024-12-14 09:40:08
For HTTP1.1
Sat, 14 Dec 2024 09:40:08 GMT