ephemSunsetSunrise.ipynb

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   "source": [
    "import ephem, arrow"
   ]
  },
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   "cell_type": "code",
   "execution_count": 2,
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   },
   "outputs": [],
   "source": [
    "vorderthal = ephem.Observer()\n",
    "vorderthal.date = '2017/1/21 01:00:00'\n",
    "vorderthal.pressure = 0\n",
    "vorderthal.horizon = '-0:34'\n",
    "vorderthal.lat, vorderthal.long = '47.120548', '8.901111'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "nextRise    = arrow.get(vorderthal.next_rising(ephem.Sun()).datetime())\n",
    "nextTransit = arrow.get(vorderthal.next_transit(ephem.Sun()).datetime())\n",
    "nextSet     = arrow.get(vorderthal.next_setting(ephem.Sun()).datetime())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2017/1/21 01:01:15\n",
      "2017/1/21 06:21:00\n",
      "2017/1/21 11:34:28\n"
     ]
    }
   ],
   "source": [
    "print(vorderthal.next_rising(ephem.Moon()))\n",
    "print(vorderthal.next_transit(ephem.Moon()))\n",
    "print(vorderthal.next_setting(ephem.Moon()))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "vorderthal.horizon = '-6' #Civil twilight\n",
    "civilStart = arrow.get(vorderthal.next_rising(ephem.Sun(), use_center=True).datetime())\n",
    "civilEnd   = arrow.get(vorderthal.next_setting(ephem.Sun(), use_center=True).datetime())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "vorderthal.horizon = '-12' #Nautical twilight\n",
    "nauticalStart = arrow.get(vorderthal.next_rising(ephem.Sun(), use_center=True).datetime())\n",
    "nauticalEnd   = arrow.get(vorderthal.next_setting(ephem.Sun(), use_center=True).datetime())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "vorderthal.horizon = '-18' #Astronomical twilight\n",
    "astronomicalStart   = arrow.get(vorderthal.next_rising(ephem.Sun(), use_center=True).datetime())\n",
    "astronomicalEnd     = arrow.get(vorderthal.next_setting(ephem.Sun(), use_center=True).datetime())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
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   "outputs": [
    {
     "name": "stdout",
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     "text": [
      "Vorderthal       21.01.2017\n",
      "Astronomical twilight 06:14\n",
      "Nautical twilight     06:50\n",
      "Civil twilight        07:27\n",
      "Sunrise               08:01\n",
      "Sun Transit           12:35\n",
      "Sunset                17:10\n",
      "Civil twilight        17:44\n",
      "Nautical twilight     18:21\n",
      "Astronomical twilight 18:57\n"
     ]
    }
   ],
   "source": [
    "selectedDay = arrow.get(vorderthal.date.datetime())\n",
    "print (\"\"\"\\\n",
    "Vorderthal       {}\n",
    "Astronomical twilight {}\n",
    "Nautical twilight     {}\n",
    "Civil twilight        {}\n",
    "Sunrise               {}\n",
    "Sun Transit           {}\n",
    "Sunset                {}\n",
    "Civil twilight        {}\n",
    "Nautical twilight     {}\n",
    "Astronomical twilight {}\"\"\".format(selectedDay.format('DD.MM.YYYY'),\n",
    "                                    astronomicalStart.to('CET').format('HH:mm'),\n",
    "                                    nauticalStart.to('CET').format('HH:mm'),\n",
    "                                    civilStart.to('CET').format('HH:mm'),\n",
    "                                    nextRise.to('CET').format('HH:mm'),\n",
    "                                    nextTransit.to('CET').format('HH:mm'),\n",
    "                                    nextSet.to('CET').format('HH:mm'),\n",
    "                                    civilEnd.to('CET').format('HH:mm'),\n",
    "                                    nauticalEnd.to('CET').format('HH:mm'),\n",
    "                                    astronomicalEnd.to('CET').format('HH:mm')))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "\"\"\"\n",
    "Vorderthal       16.02.2015\n",
    "Astronomical twilight 05:45\n",
    "Nautical twilight     06:21\n",
    "Civil twilight        06:56\n",
    "Sunrise               07:28\n",
    "Sun Transit           12:38\n",
    "Sunset                17:49\n",
    "Civil twilight        18:20\n",
    "Nautical twilight     18:56\n",
    "Astronomical twilight 19:31\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "\"\"\"\n",
    "my results \n",
    "Einsedeln          15.02.15\n",
    "Astronomical twilight 05:48\n",
    "Nautical twilight\t  06:23\n",
    "Civil twilight\t\t  06:59\n",
    "Sunrise\t\t\t      07:30\n",
    "Sun Transit\t\t      12:39\n",
    "Sunset\t\t          17:48\n",
    "Civil twilight\t      18:19\n",
    "Nautical twilight     18:55\n",
    "Astronomical twilight 19:31\n",
    "\n",
    "Einsiedeln 15.02.15 in CET  from (http://www.timeanddate.com/astronomy/switzerland/einsiedeln)\n",
    "Night             00:00 – 05:48\n",
    "Astro. Twilight\t  05:48 – 06:23\n",
    "Nautical Twilight 06:23 – 06:59\n",
    "Civil Twilight\t  06:59 – 07:30\n",
    "Daylight          07:30 – 17:48\n",
    "Civil Twilight    17:48 – 18:20\n",
    "Nautical Twilight 18:20 – 18:56\n",
    "Astro. Twilight\t  18:56 – 19:31\n",
    "Night             19:31 – 23:59\n",
    "\"\"\""
   ]
  }
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