"Sun, 09 Jun 2024 18:23:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
18:23:04
General datetime
2024-06-09 18:23:04Z
For Database
2024-06-09 18:23:04
For HTTP1.1
Sun, 09 Jun 2024 18:23:04 GMT