Добавлен переход на летнее/зимнее время; Добавлен эффект Белый огонь; Исправлены ошибки

libraries/Timezone/examples/HardwareRTC/HardwareRTC.ino

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+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
+// Self-adjusting clock for one time zone using an external real-time
+// clock, either a DS1307 or DS3231 (e.g. Chronodot).
+// Assumes the RTC is set to UTC.
+// TimeChangeRules can be hard-coded or read from EEPROM, see comments.
+// Check out the Chronodot at http://www.macetech.com/store/
+//
+// Jack Christensen Aug 2012
+
+#include <DS1307RTC.h>   // https://github.com/PaulStoffregen/DS1307RTC
+#include <Timezone.h>    // https://github.com/JChristensen/Timezone
+
+// US Eastern Time Zone (New York, Detroit)
+TimeChangeRule myDST = {"EDT", Second, Sun, Mar, 2, -240};    //Daylight time = UTC - 4 hours
+TimeChangeRule mySTD = {"EST", First, Sun, Nov, 2, -300};     //Standard time = UTC - 5 hours
+Timezone myTZ(myDST, mySTD);
+
+// If TimeChangeRules are already stored in EEPROM, comment out the three
+// lines above and uncomment the line below.
+//Timezone myTZ(100);       //assumes rules stored at EEPROM address 100
+
+TimeChangeRule *tcr;        //pointer to the time change rule, use to get TZ abbrev
+
+void setup()
+{
+    Serial.begin(115200);
+    setSyncProvider(RTC.get);   // the function to get the time from the RTC
+    if(timeStatus()!= timeSet)
+        Serial.println("Unable to sync with the RTC");
+    else
+        Serial.println("RTC has set the system time");
+}
+
+void loop()
+{
+    time_t utc = now();
+    time_t local = myTZ.toLocal(utc, &tcr);
+    Serial.println();
+    printDateTime(utc, "UTC");
+    printDateTime(local, tcr -> abbrev);
+    delay(10000);
+}
+
+// format and print a time_t value, with a time zone appended.
+void printDateTime(time_t t, const char *tz)
+{
+    char buf[32];
+    char m[4];    // temporary storage for month string (DateStrings.cpp uses shared buffer)
+    strcpy(m, monthShortStr(month(t)));
+    sprintf(buf, "%.2d:%.2d:%.2d %s %.2d %s %d %s",
+        hour(t), minute(t), second(t), dayShortStr(weekday(t)), day(t), m, year(t), tz);
+    Serial.println(buf);
+}
+