"Sun, 30 Jun 2024 21:19:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
21:19:39
General datetime
2024-06-30 21:19:39Z
For Database
2024-06-30 21:19:39
For HTTP1.1
Sun, 30 Jun 2024 21:19:39 GMT