New updates to time.js functions

Author: imtumbleweed

time.js

@@ -0,0 +1,32 @@
+// Return day of year counting January 1 as 1
+// And the last day of the year 365
+// (ranging from 1-365)
+// January 1 = 1
+// January 2 = 2
+// ...
+// February 1 = 32
+// February 2 = 33
+// February 3 = 34
+// ...
+function day_of_year_today() {
+    let now = new Date();
+    let start = new Date(now.getFullYear(), 0, 0);
+    let diff = (now - start) + ((start.getTimezoneOffset() - now.getTimezoneOffset()) * 60 * 1000);
+    let one_day = 1000 * 60 * 60 * 24;
+    let day_of_year = Math.floor(diff / one_day);
+    return day_of_year;
+}
+
+// Convert string "16:30:00" to "3:30 PM"
+function military_to_standard(time) {
+    time = time.split(':'); // convert to array
+    let hours = Number(time[0]);
+    let minutes = Number(time[1]);
+    let seconds = Number(time[2]);
+    let timeValue;
+    if (hours > 0 && hours <= 12) { timeValue= "" + hours; } else if (hours > 12) { timeValue= "" + (hours - 12); } else if (hours == 0) { timeValue= "12"; }
+    timeValue += (minutes < 10) ? ":0" + minutes : ":" + minutes;  // get minutes
+    timeValue += (seconds < 10) ? ":0" + seconds : ":" + seconds;  // get seconds
+    timeValue += (hours >= 12) ? " PM" : " AM";  // get AM/PM
+    return timeValue;
+}