From c84417fc666aca6f7b745e43652bb01f5a623d25 Mon Sep 17 00:00:00 2001
From: zlax <zlaxyi@gmail.com>
Date: Wed, 12 Jun 2024 11:22:53 +0300
Subject: [PATCH] erisian time calculation algorithm is accelerated several
 times faster

---
 README.md |  2 +-
 dtime.js  | 16 +++++++---------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index 2793983..68f1b96 100644
--- a/README.md
+++ b/README.md
@@ -9,4 +9,4 @@ https://en.wikipedia.org/wiki/Discordian_calendar
 Discordian time is the decimal time without time zones, where the
 beginning of the day coincides with the beginning of the Christian
 winter day on Easter Island (UTC-5):
-https://en.wikipedia.org/wiki/Decimal_time
+https://discordia.fandom.com/wiki/Erisian_Time
\ No newline at end of file
diff --git a/dtime.js b/dtime.js
index 3fb8991..e323c27 100644
--- a/dtime.js
+++ b/dtime.js
@@ -92,17 +92,15 @@ function dtime(gregorianDate,resultar="default") {
     } else {
         var ddatestr = M+" "+az(D)+", "+Y+" YOLD";
     }
-    var h = date.getUTCHours();
-    var m = date.getUTCMinutes();
-    var s = date.getUTCSeconds();
-    var ms = date.getUTCMilliseconds();
-    var e = h*3600000+m*60000+s*1000+ms;
-    var ds = Math.round(e/864);
-    h = Math.floor(ds/10000);
+
+    var christianMSDay = date.valueOf() % 86400000;
+    var ds = (1 / (864 / christianMSDay));
+    var h = Math.floor(ds/10000);
     ds%= 10000;
-    m = Math.floor(ds/100);
+    var m = Math.floor(ds/100);
     ds%= 100;
-    s = ds;
+    var s = Math.floor(ds);
+
     switch (resultar) {
         case "shortsec":
             return [ddatestr, h+":"+az(m), ":"+az(s), ddaystr];