[root@bass Desktop]# date +%s 1466561580 [root@bass Desktop]# python Python 2.6.6 (r266:84292, Jul 23 2015, 15:22:56) [GCC 4.4.7 20120313 (Red Hat 4.4.7-11)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> 60*60*24 86400 >>> 1466561580 1466561580 >>> 1466561580/86400 16974 >>> 1466561580/86400/365 46 >>> >>> 1970-01-01 [root@bass Desktop]# date Wed Jun 22 10:15:26 CST 2016
date +%s 能打印出自1970-01-01 00:00:00到当前时间的秒数
原文：http://www.cnblogs.com/bass6/p/5606143.html