"Mon, 17 Jun 2024 14:50:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
14:50:45
General datetime
2024-06-17 14:50:45Z
For Database
2024-06-17 14:50:45
For HTTP1.1
Mon, 17 Jun 2024 14:50:45 GMT