"Thu, 20 Jun 2024 16:39:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
16:39:45
General datetime
2024-06-20 16:39:45Z
For Database
2024-06-20 16:39:45
For HTTP1.1
Thu, 20 Jun 2024 16:39:45 GMT