"Sun, 09 Jun 2024 18:23:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
18:23:03
General datetime
2024-06-09 18:23:03Z
For Database
2024-06-09 18:23:03
For HTTP1.1
Sun, 09 Jun 2024 18:23:03 GMT