"Sat, 31 Jan 1970 00:20:21"

Convert date and time to unixtime.

2593221

Another datetime format string at UTC

YYYYMMDD
19700131

Only TIME
00:20:21

General datetime
1970-01-31 00:20:21Z

For Database
1970-01-31 00:20:21

For HTTP1.1
Sat, 31 Jan 1970 00:20:21 GMT

---

HOME