"Sun, 09 Jun 2024 18:03:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
18:03:40
General datetime
2024-06-09 18:03:40Z
For Database
2024-06-09 18:03:40
For HTTP1.1
Sun, 09 Jun 2024 18:03:40 GMT