"Mon, 16 Dec 2024 15:26:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
15:26:49
General datetime
2024-12-16 15:26:49Z
For Database
2024-12-16 15:26:49
For HTTP1.1
Mon, 16 Dec 2024 15:26:49 GMT