"Sun, 09 Jun 2024 14:47:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
14:47:44
General datetime
2024-06-09 14:47:44Z
For Database
2024-06-09 14:47:44
For HTTP1.1
Sun, 09 Jun 2024 14:47:44 GMT