diff -r 99f1c125926f -r 53e77f60b789 src/luan/modules/Time.luan
--- a/src/luan/modules/Time.luan	Thu Nov 10 20:41:03 2016 -0700
+++ b/src/luan/modules/Time.luan	Thu Nov 10 21:15:28 2016 -0700
@@ -4,6 +4,8 @@
 local Luan = require "luan:Luan.luan"
 local error = Luan.error
 local ipairs = Luan.ipairs or error()
+local Math = require "luan:Math.luan"
+local floor = Math.floor or error()
 local Table = require "luan:Table.luan"
 local System = require "java:java.lang.System"
 local Calendar = require "java:java.util.Calendar"
@@ -29,8 +31,8 @@
 	cal.setTimeInMillis(time)
 	local rtn = {}
 	for i, v in ipairs{...} do
-		local fld = fields[v.lower()]
-		fld or error("invalid field: "+v)
+		local fld = fields[v]
+		fld or error("invalid field: "..v)
 		local n = cal.get(fld)
 		if fld == "month" then
 			n = n + 1
@@ -68,4 +70,27 @@
 	return SimpleDateFormat.new(pattern).parse(source).getTime()
 end
 
+
+local count_times = {
+	days = M.period{days=1}
+	hours = M.period{hours=1}
+	minutes = M.period{minutes=1}
+	seconds = M.period{seconds=1}
+}
+
+function M.count( time, ... )
+	local cal = Calendar.getInstance()
+	cal.setTimeInMillis(time)
+	local rtn = {}
+	for i, v in ipairs{...} do
+		local t = count_times[v]
+		t or error("invalid field: "..v)
+		rtn[#rtn+1] = floor(time/t)
+		time = time%t
+	end
+	rtn[#rtn+1] = time
+	return Table.unpack(rtn)
+end
+
+
 return M