Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/GarminTimeUtils.java

30 lines
904 B
Java

package nodomain.freeyourgadget.gadgetbridge.service.devices.garmin;
import org.threeten.bp.Instant;
import org.threeten.bp.ZoneId;
public class GarminTimeUtils {
public static final int GARMIN_TIME_EPOCH = 631065600;
public static int unixTimeToGarminTimestamp(int unixTime) {
return unixTime - GARMIN_TIME_EPOCH;
}
public static int javaMillisToGarminTimestamp(long millis) {
return (int) (millis / 1000) - GARMIN_TIME_EPOCH;
}
public static long garminTimestampToJavaMillis(int timestamp) {
return (timestamp + GARMIN_TIME_EPOCH) * 1000L;
}
public static int garminTimestampToUnixTime(int timestamp) {
return timestamp + GARMIN_TIME_EPOCH;
}
public static int unixTimeToGarminDayOfWeek(int unixTime) {
return (Instant.ofEpochSecond(unixTime).atZone(ZoneId.systemDefault()).getDayOfWeek().getValue() % 7);
}
}