"Fri, 21 Jun 2024 22:39:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
22:39:49
General datetime
2024-06-21 22:39:49Z
For Database
2024-06-21 22:39:49
For HTTP1.1
Fri, 21 Jun 2024 22:39:49 GMT