diff --git a/www/conservancy/static/admin/js/timeparse.js b/www/conservancy/static/admin/js/timeparse.js
new file mode 100644
index 0000000000000000000000000000000000000000..882f41d56ef240a5fe5f522f27fc81b5b8ecd35c
--- /dev/null
+++ b/www/conservancy/static/admin/js/timeparse.js
@@ -0,0 +1,94 @@
+var timeParsePatterns = [
+    // 9
+    {   re: /^\d{1,2}$/i,
+        handler: function(bits) {
+            if (bits[0].length == 1) {
+                return '0' + bits[0] + ':00';
+            } else {
+                return bits[0] + ':00';
+            }
+        }
+    },
+    // 13:00
+    {   re: /^\d{2}[:.]\d{2}$/i,
+        handler: function(bits) {
+            return bits[0].replace('.', ':');
+        }
+    },
+    // 9:00
+    {   re: /^\d[:.]\d{2}$/i,
+        handler: function(bits) {
+            return '0' + bits[0].replace('.', ':');
+        }
+    },
+    // 3 am / 3 a.m. / 3am
+    {   re: /^(\d+)\s*([ap])(?:.?m.?)?$/i,
+        handler: function(bits) {
+            var hour = parseInt(bits[1]);
+            if (hour == 12) {
+                hour = 0;
+            }
+            if (bits[2].toLowerCase() == 'p') {
+                if (hour == 12) {
+                    hour = 0;
+                }
+                return (hour + 12) + ':00';
+            } else {
+                if (hour < 10) {
+                    return '0' + hour + ':00';
+                } else {
+                    return hour + ':00';
+                }
+            }
+        }
+    },
+    // 3.30 am / 3:15 a.m. / 3.00am
+    {   re: /^(\d+)[.:](\d{2})\s*([ap]).?m.?$/i,
+        handler: function(bits) {
+            var hour = parseInt(bits[1]);
+            var mins = parseInt(bits[2]);
+            if (mins < 10) {
+                mins = '0' + mins;
+            }
+            if (hour == 12) {
+                hour = 0;
+            }
+            if (bits[3].toLowerCase() == 'p') {
+                if (hour == 12) {
+                    hour = 0;
+                }
+                return (hour + 12) + ':' + mins;
+            } else {
+                if (hour < 10) {
+                    return '0' + hour + ':' + mins;
+                } else {
+                    return hour + ':' + mins;
+                }
+            }
+        }
+    },
+    // noon
+    {   re: /^no/i,
+        handler: function(bits) {
+            return '12:00';
+        }
+    },
+    // midnight
+    {   re: /^mid/i,
+        handler: function(bits) {
+            return '00:00';
+        }
+    }
+];
+
+function parseTimeString(s) {
+    for (var i = 0; i < timeParsePatterns.length; i++) {
+        var re = timeParsePatterns[i].re;
+        var handler = timeParsePatterns[i].handler;
+        var bits = re.exec(s);
+        if (bits) {
+            return handler(bits);
+        }
+    }
+    return s;
+}