"Fri, 21 Jun 2024 22:15:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
22:15:19
General datetime
2024-06-21 22:15:19Z
For Database
2024-06-21 22:15:19
For HTTP1.1
Fri, 21 Jun 2024 22:15:19 GMT