"Sun, 29 Dec 2024 15:27:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
15:27:58
General datetime
2024-12-29 15:27:58Z
For Database
2024-12-29 15:27:58
For HTTP1.1
Sun, 29 Dec 2024 15:27:58 GMT