"Fri, 21 Jun 2024 12:28:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
12:28:35
General datetime
2024-06-21 12:28:35Z
For Database
2024-06-21 12:28:35
For HTTP1.1
Fri, 21 Jun 2024 12:28:35 GMT