"Sat, 22 Jun 2024 21:04:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
21:04:03
General datetime
2024-06-22 21:04:03Z
For Database
2024-06-22 21:04:03
For HTTP1.1
Sat, 22 Jun 2024 21:04:03 GMT