"Fri, 13 Dec 2024 17:47:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241213
Only TIME
17:47:21
General datetime
2024-12-13 17:47:21Z
For Database
2024-12-13 17:47:21
For HTTP1.1
Fri, 13 Dec 2024 17:47:21 GMT