"Fri, 21 Jun 2024 17:59:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
17:59:11
General datetime
2024-06-21 17:59:11Z
For Database
2024-06-21 17:59:11
For HTTP1.1
Fri, 21 Jun 2024 17:59:11 GMT