"Sun, 09 Jun 2024 23:18:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
23:18:39
General datetime
2024-06-09 23:18:39Z
For Database
2024-06-09 23:18:39
For HTTP1.1
Sun, 09 Jun 2024 23:18:39 GMT