"Sun, 23 Jun 2024 07:40:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
07:40:47
General datetime
2024-06-23 07:40:47Z
For Database
2024-06-23 07:40:47
For HTTP1.1
Sun, 23 Jun 2024 07:40:47 GMT