"Fri, 13 Sep 2024 15:04:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240913
Only TIME
15:04:04
General datetime
2024-09-13 15:04:04Z
For Database
2024-09-13 15:04:04
For HTTP1.1
Fri, 13 Sep 2024 15:04:04 GMT