"Sun, 29 Dec 2024 12:15:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
12:15:03
General datetime
2024-12-29 12:15:03Z
For Database
2024-12-29 12:15:03
For HTTP1.1
Sun, 29 Dec 2024 12:15:03 GMT