"Sun, 23 Jun 2024 15:33:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
15:33:46
General datetime
2024-06-23 15:33:46Z
For Database
2024-06-23 15:33:46
For HTTP1.1
Sun, 23 Jun 2024 15:33:46 GMT