"Fri, 21 Jun 2024 04:43:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
04:43:10
General datetime
2024-06-21 04:43:10Z
For Database
2024-06-21 04:43:10
For HTTP1.1
Fri, 21 Jun 2024 04:43:10 GMT