"Sat, 22 Jun 2024 15:34:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
15:34:39
General datetime
2024-06-22 15:34:39Z
For Database
2024-06-22 15:34:39
For HTTP1.1
Sat, 22 Jun 2024 15:34:39 GMT