"Sun, 09 Jun 2024 19:16:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
19:16:18
General datetime
2024-06-09 19:16:18Z
For Database
2024-06-09 19:16:18
For HTTP1.1
Sun, 09 Jun 2024 19:16:18 GMT