1 00:00:02,302 --> 00:00:25,392 JAMES: WELCOME TO STAR GAZERS. 2 00:00:25,492 --> 00:00:29,162 I'M JAMES ALBURY, DIRECTOR OF THE KIKA SILVA PLA PLANETARIUM IN GAINESVILLE FLORIDA. 3 00:00:29,262 --> 00:00:32,565 DEAN: AND I'M DEAN REGAS, ASTRONOMER FROM THE CINCINNATI OBSERVATORY. 4 00:00:32,665 --> 00:00:36,503 JAMES: WELL MY FRIENDS, WERE GETTING CLOSE TO THAT ANNUAL ABOMINATION I LIKE TO CALL 5 00:00:36,603 --> 00:00:38,004 DAYLIGHT SHIFTING TIME. 6 00:00:38,104 --> 00:00:40,006 DEAN: DON'T YOU MEAN, DAYLIGHT SAVING TIME? 7 00:00:40,106 --> 00:00:42,042 JAMES: SAME THING, AND I DON'T LIKE IT. 8 00:00:42,142 --> 00:00:43,943 DEAN: COME ON JAMES, ITS NOT THAT BAD. 9 00:00:44,044 --> 00:00:45,445 JAMES: SPEAK FOR YOURSELF! 10 00:00:45,545 --> 00:00:47,714 MOVING MY CLOCK FORWARD MAKES ME HAVE TO WAKE UP AN HOUR EARLIER. 11 00:00:47,814 --> 00:00:51,451 DEAN: BUT, I THOUGHT YOU LIKED WAKING UP EARLY - TO LOOK AT THE STARS? 12 00:00:51,551 --> 00:00:54,687 JAMES: YEAH, BUT EVEN US EARLY BIRDS HAVE OUR LIMITS, YOU KNOW. 13 00:00:54,788 --> 00:00:58,925 DEAN (LAUGHING): WHAT JAMES IS GRIPING ABOUT IS SOMETHING A LOT OF PEOPLE FIND ANNOYING 14 00:00:59,025 --> 00:01:02,962 ABOUT THIS TIME OF YEAR, AND IT CAN ACTUALLY IMPACT STAR GAZING. 15 00:01:03,063 --> 00:01:07,333 JAMES: FORTUNATELY, WE DONT HAVE TO MOVE OUR CLOCKS FORWARD UNTIL MARCH 12TH, AND WE HAVE 16 00:01:07,434 --> 00:01:11,137 A REALLY GROOVY OCCULTATION OF ALDEBARAN BY THE MOON LATER THIS WEEK. 17 00:01:11,237 --> 00:01:12,572 DEAN: WHAT ARE WE TALKING ABOUT? 18 00:01:12,672 --> 00:01:14,407 LETS SHOW YOU. 19 00:01:14,507 --> 00:01:18,678 DEAN: DAYLIGHT SAVING TIME IS THAT TIME OF YEAR BETWEEN THE SECOND SUNDAY OF MARCH, AND 20 00:01:18,778 --> 00:01:22,916 THE FIRST SUNDAY OF NOVEMBER, WHEN EVERYONE MOVES THEIR CLOCKS FORWARD ONE HOUR. 21 00:01:23,016 --> 00:01:26,152 JAMES: NOT EVERYONE DOES IT, BUT A LOT OF PEOPLE DO. 22 00:01:26,252 --> 00:01:30,390 THE PURPOSE OF US COLLECTIVELY CHANGING THE TIME ON OUR CLOCKS ONE HOUR FORWARD IS SO 23 00:01:30,490 --> 00:01:32,459 THAT THE EVENING DAYLIGHT LASTS LONGER. 24 00:01:32,559 --> 00:01:34,994 THIS IN TURN SACRIFICES THE SUNRISE TIME. 25 00:01:35,095 --> 00:01:39,466 DEAN: DURING THE COURSE OF THE YEAR, THE AMOUNT OF DAYLIGHT AND DARKNESS WE EXPERIENCE GRADUALLY 26 00:01:39,566 --> 00:01:43,136 CHANGES DUE TO THE CURVATURE AND TILT OF THE EARTH. 27 00:01:43,236 --> 00:01:47,507 EVEN IF WE DIDN'T CHANGE THE TIME ON OUR CLOCKS, WE WOULD STILL NOTICE THAT THE DAYLIGHT HOURS 28 00:01:47,607 --> 00:01:50,710 IN THE SUMMER WOULD BE LONGER AND THE NIGHTTIME HOURS SHORTER. 29 00:01:50,810 --> 00:01:53,713 JAMES: THE OPPOSITE IS TRUE DURING THE WINTER MONTHS. 30 00:01:53,813 --> 00:01:55,648 HERE'S WHERE THE ISSUE LIES. 31 00:01:55,748 --> 00:01:59,285 FOR THOSE FOLKS LIKE DEAN WHO LIVE AT MORE NORTHERN LATITUDES, THE AMOUNT OF DAYLIGHT 32 00:01:59,385 --> 00:02:02,088 AND DARKNESS THEY EXPERIENCE DURING THE YEAR CAN VARY DRAMATICALLY. 33 00:02:02,188 --> 00:02:07,293 DEAN: BUT FOR PEOPLE LIKE JAMES, WHO LIVE CLOSER TO THE EQUATOR, DAY LIGHT SAVING TIME 34 00:02:07,393 --> 00:02:08,895 ISN'T AS USEFUL. 35 00:02:08,995 --> 00:02:10,697 LET'S SHOW YOU. 36 00:02:10,797 --> 00:02:15,068 JAMES: THE EARTH TILTS AT ROUGHLY 23.5 DEGREES WITH RESPECT TO OUR PATH AROUND THE SUN. 37 00:02:15,168 --> 00:02:19,939 DURING THE EQUINOXES IN MARCH AND SEPTEMBER, NEITHER THE NORTHERN HEMISPHERE, NOR THE SOUTHERN 38 00:02:20,039 --> 00:02:22,075 HEMISPHERE IS POINTING MORE TOWARD THE SUN. 39 00:02:22,175 --> 00:02:27,514 THIS GIVES US 12 HOURS OF DAYLIGHT AND 12 HOURS OF DARKNESS; HENCE THE TERM EQUINOX, 40 00:02:27,614 --> 00:02:29,415 WHICH MEANS EQUAL NIGHT. 41 00:02:29,516 --> 00:02:33,386 DEAN: HOWEVER, WHEN WE'RE CLOSE TO THE SOLSTICES IN SUMMER AND WINTER, THE HEMISPHERES OF THE 42 00:02:33,486 --> 00:02:37,323 EARTH ARE POINTING MORE TOWARD, OR AWAY FROM THE SUN. 43 00:02:37,423 --> 00:02:42,428 BECAUSE OUR PLANET IS ROUND, PEOPLE WHO LIVE AT EXTREMELY NORTHERN OR SOUTHERN LATITUDES 44 00:02:42,529 --> 00:02:47,200 SEE A WHOLE LOT OF DAYLIGHT IN THE SUMMER AND VERY LITTLE SUNLIGHT IN THE WINTER. 45 00:02:47,300 --> 00:02:52,405 JAMES: THE PROBLEM IS, IN THE SUMMER MONTHS, THE SUN RISES SEVERAL HOURS BEFORE MOST PEOPLE 46 00:02:52,505 --> 00:02:54,240 WAKE UP IN THE MORNING. 47 00:02:54,340 --> 00:02:59,179 SO, TO COMPENSATE, WE ALL COLLECTIVELY MOVE OUR CLOCKS FORWARD ONE HOUR AND THUS, AS A 48 00:02:59,279 --> 00:03:01,648 SOCIETY, WE AGREE TO WAKE UP AN HOUR EARLIER. 49 00:03:01,748 --> 00:03:05,185 THAT WAY, WE CAN HAVE MORE DAYLIGHT IN THE EVENING HOURS BEFORE WE GO TO SLEEP. 50 00:03:05,285 --> 00:03:09,822 DEAN: FOR US ASTRONOMERS, DAYLIGHT SAVING TIME DELAYS WHEN WE CAN BEGIN OUR EVENING 51 00:03:09,923 --> 00:03:14,360 OBSERVATIONS, WHICH IS PROBABLY ANOTHER THING THAT ADDS TO JAMES' FRUSTRATION. 52 00:03:14,460 --> 00:03:16,029 JAMES (FRUSTRATED): YEAH! 53 00:03:16,129 --> 00:03:18,798 SPEAKING OF WHICH, LETS' SEE WHAT THE MOON AND ALDEBARAN ARE DOING THIS WEEK. 54 00:03:18,898 --> 00:03:25,438 JAMES: OK, WE HAVE OUR SKIES SET UP FOR SATURDAY, MARCH 4TH AT 7:30 PM EASTERN STANDARD TIME. 55 00:03:25,538 --> 00:03:28,875 WERE LOOKING HIGH IN THE SKY FACING SOUTHWEST. 56 00:03:28,975 --> 00:03:33,580 TIMING IS IMPORTANT FOR THIS ONE BECAUSE THE ALMOST-FIRST QUARTER MOON IS AMONG THE STARS 57 00:03:33,680 --> 00:03:35,515 OF TAURUS THE BULL. 58 00:03:35,615 --> 00:03:39,819 DEAN: ON THE NIGHT OF MARCH 4TH, THE MOON IS GOING TO GET TANTALIZINGLY CLOSE TO ALDEBARAN, 59 00:03:39,919 --> 00:03:41,721 THE STAR THAT MARKS THE EYE OF TAURUS. 60 00:03:41,821 --> 00:03:46,993 JAMES: LET'S ADVANCE TIME ONE HOUR AT TIME, AND YOU'LL NOTICE THAT AS EACH HOUR PASSES, 61 00:03:47,093 --> 00:03:50,663 THE MOON GETS CLOSER AND CLOSER TO ALDEBARAN, UNTIL SUDDENLY 62 00:03:50,763 --> 00:03:52,298 DEAN: WHERE DID ALDEBARAN GO? 63 00:03:52,398 --> 00:03:53,299 JAMES: YEP 64 00:03:53,399 --> 00:03:55,802 THE MOON IS GOING TO OCCULT ALDEBARAN! 65 00:03:55,902 --> 00:03:59,239 FOR THOSE OF US LIVING IN THE EASTERN TIME ZONE, THE MOON WILL BE IN THE WESTERN SKY 66 00:03:59,339 --> 00:04:01,140 DURING THE OCCULTATION. 67 00:04:01,241 --> 00:04:05,245 DEAN: YEP, THAT MEANS EVERYONE IN NORTH AMERICA WILL BE ABLE TO SEE IT, PRESUMING THE CLOUDS 68 00:04:05,345 --> 00:04:07,113 STAY OUT OF THE WAY. 69 00:04:07,213 --> 00:04:10,583 JAMES: SO THERE YOU HAVE IT, ONE LAST REALLY COOL CELESTIAL EVENT BEFORE WE HAVE TO MOVE 70 00:04:10,683 --> 00:04:11,985 OUR CLOCKS FORWARD AN HOUR. 71 00:04:12,085 --> 00:04:14,153 DEAN: AND IT'S ALL THERE FOR YOU TO SEE WHEN YOU 72 00:04:14,254 --> 00:04:18,254 BOTH: KEEP LOOKING UP!