63 lines
1.3 KiB
Lua
63 lines
1.3 KiB
Lua
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---
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-- Source:
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-- http://www.jbox.dk/sanos/source/lib/time.c.html
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YEAR0=1900
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EPOCH_YR=1970
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--SECS_DAY=(24L * 60L * 60L)
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SECS_DAY=86400
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ytab = {}
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ytab[0] = {}
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ytab[0][0] = 31
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--31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
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ytab[1] = {}
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--{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
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leapyear = function(year)
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return ( not ((year) % 4) and (((year) % 100) or not ((year) % 400)))
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end
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yearsize = function(year)
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if leapyear(year) then
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return 366
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else
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return 365
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end
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end
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gettime = function(unixtimestmp)
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local year = EPOCH_YR
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local dayclock = math.floor(unixtimestmp % SECS_DAY)
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local dayno = math.floor(unixtimestmp / SECS_DAY)
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local sec = dayclock % 60
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local min = math.floor( (dayclock % 3600) / 60)
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local hour = math.floor(dayclock / 3600)
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local wday = math.floor( (dayno + 4) % 7) -- Day 0 was a thursday
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while (dayno >= yearsize(year))
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do
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dayno = dayno - yearsize(year);
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year=year + 1
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end
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local yday = dayno
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local mon = 0
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--isleap=0 if leapyear(year) then isleap=1 end
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--while (dayno >= ytab[isleap][mon])
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--do
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-- dayno = dayno - ytab[isleap][mon];
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-- mon = mon + 1
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-- isleap=0 if leapyear(year) then isleap=1 end
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-- end
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-- mday = dayno + 1
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return year, hour, min, sec
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end
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print( gettime(1462391501) )
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