const SunCalc = require('suncalc');
const moment = require('moment-timezone');

for (let h = 0; h < 24; h++) {
  for (let m = 0; m < 60; m++) {
    const date = new Date(`2017-01-18 ${h}:${m}:00`);
    console.log(moment(date).tz('Asia/Tokyo').format(), SunCalc.getPosition(date, 34.649394, 135.001478).altitude);
  }
}