"Sun, 30 Jun 2024 15:34:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
15:34:54
General datetime
2024-06-30 15:34:54Z
For Database
2024-06-30 15:34:54
For HTTP1.1
Sun, 30 Jun 2024 15:34:54 GMT