"Sun, 23 Jun 2024 16:44:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
16:44:19
General datetime
2024-06-23 16:44:19Z
For Database
2024-06-23 16:44:19
For HTTP1.1
Sun, 23 Jun 2024 16:44:19 GMT