"Fri, 20 Sep 2024 15:04:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
15:04:20
General datetime
2024-09-20 15:04:20Z
For Database
2024-09-20 15:04:20
For HTTP1.1
Fri, 20 Sep 2024 15:04:20 GMT