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  1. import java.time.ZoneId;
  2. import java.time.ZonedDateTime;
  3.  
  4. class Main {
  5.     public static void main(String[] args) {
  6.         // Change the time zone ID as per your requirement
  7.         ZoneId zoneId = ZoneId.of("Europe/London");
  8.         ZonedDateTime now = ZonedDateTime.now(zoneId);
  9.  
  10.         int sHour = 21, sMinute = 0, sSecond = 0, sNano = 0;
  11.         int eHour = 22, eMinute = 0, eSecond = 0, eNano = 0;
  12.  
  13.         ZonedDateTime startTime = now.withHour(sHour)
  14.                 .withMinute(sMinute)
  15.                 .withSecond(sSecond)
  16.                 .withNano(sNano);
  17.  
  18.         ZonedDateTime endTime = now.withHour(eHour)
  19.                 .withMinute(eMinute)
  20.                 .withSecond(eSecond)
  21.                 .withNano(eNano);
  22.  
  23.         if (!now.isBefore(startTime) && !now.isAfter(endTime)) {
  24.             // Silence
  25.             // It is from 9:00 PM to 10:00 PM in this example
  26.             System.out.println("🤫");
  27.         } else {
  28.             // The alarm will play
  29.             System.out.println("cock-a-doodle-doo");
  30.         }
  31.     }
  32. }
Success #stdin #stdout 0.14s 59336KB
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🤫
https://ideone.com/2egs0c
language:
Java (HotSpot 12)
created:
173 days ago
visibility:
secret

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