"Sun, 23 Jun 2024 23:09:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
23:09:49
General datetime
2024-06-23 23:09:49Z
For Database
2024-06-23 23:09:49
For HTTP1.1
Sun, 23 Jun 2024 23:09:49 GMT