"Sun, 12 Jan 2025 06:25:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
06:25:23
General datetime
2025-01-12 06:25:23Z
For Database
2025-01-12 06:25:23
For HTTP1.1
Sun, 12 Jan 2025 06:25:23 GMT