"Fri, 20 Dec 2024 05:40:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
05:40:04
General datetime
2024-12-20 05:40:04Z
For Database
2024-12-20 05:40:04
For HTTP1.1
Fri, 20 Dec 2024 05:40:04 GMT