24 lines
569 B
Lua
24 lines
569 B
Lua
local year = 2020
|
|
for i=1, 15 do
|
|
local dateS
|
|
repeat
|
|
year = year+1
|
|
local yearS = tostring(year)
|
|
local monthS, dayS = yearS:reverse():match"^(%d%d)(%d%d)$"
|
|
local monthN, dayN = tonumber(monthS), tonumber(dayS)
|
|
dateS = yearS.."-"..monthS.."-"..dayS
|
|
until
|
|
monthN>0 and monthN<=12 -- real month
|
|
and dayN<32 -- possible day
|
|
and os.date( -- real date check
|
|
-- be aware that this check is unnecessary because it only affects the 13th century
|
|
"%Y-%m-%d"
|
|
,os.time{
|
|
year = year
|
|
,month = monthN
|
|
,day = dayN
|
|
}
|
|
) == dateS
|
|
print(dateS)
|
|
end
|