static int minuteInDay() {
  ret minuteInDay(java.util.Calendar.getInstance());
}

static int minuteInDay(java.util.Calendar c) {
  ret hours(c)*60+minutes(c);
}

static int minuteInDay(long time) {
  ret minuteInDay(calendarFromTime(time));
}

static int minuteInDay(long time default now(), TimeZone tz) {
  ret minuteInDay(calendarFromTime(time, tz));
}