"Sun, 30 Jun 2024 19:18:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
19:18:38
General datetime
2024-06-30 19:18:38Z
For Database
2024-06-30 19:18:38
For HTTP1.1
Sun, 30 Jun 2024 19:18:38 GMT