"Sun, 23 Jun 2024 20:25:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
20:25:19
General datetime
2024-06-23 20:25:19Z
For Database
2024-06-23 20:25:19
For HTTP1.1
Sun, 23 Jun 2024 20:25:19 GMT