New Posts For Thread: A question for Geographers,Astronomers or similar,on Spring Equinox dayhttps://community.betfair.com/chit_chat/go/thread/view/94038/31515027/a-question-for-geographersastronomers-or-similaron-spring-equinox-dayI've been comparing the difference in the duration of daylight hours between where I live now,SE London,and where I was brought up in Central Scotland. The greatest difference,on mid-Winters day was 50 minutes.Does it follow that the difference onYes. It's a sine wave at 3.168 × 10-8 Hz, equinox is when it crosses the X axis, peaks are winter/summer.https://community.betfair.com/chit_chat/go/thread/view/94038/31515027/a-question-for-geographersastronomers-or-similaron-spring-equinox-day?post_id=556856979#556856979Yes. It's a sine wave at 3.168 × 10-8 Hz, equinox is when it crosses the X axis, peaks are winter/summer.Wed, 20 Mar 2019 06:59:28 -0500Yes. At the equator you have 12 hours of daylight every day, at the poles you have the midnight sun. The average length of daylight over the course of a year is the same wherever you live.https://community.betfair.com/chit_chat/go/thread/view/94038/31515027/a-question-for-geographersastronomers-or-similaron-spring-equinox-day?post_id=556856933#556856933Yes. At the equator you have 12 hours of daylight every day, at the poles you have the midnight sun. The average length of daylight over the course of a year is the same wherever you live.Wed, 20 Mar 2019 06:47:10 -0500I've been comparing the difference in the duration of daylight hours between where I live now,SE London,and where I was brought up in Central Scotland. The greatest difference,on mid-Winters day was 50 minutes.Does it follow that the difference onhttps://community.betfair.com/chit_chat/go/thread/view/94038/31515027/a-question-for-geographersastronomers-or-similaron-spring-equinox-day?post_id=556856125#556856125I've been comparing the difference in the duration of daylight hours between where I live now,SE London,and where I was brought up in Central Scotland. The greatest difference,on mid-Winters day was 50 minutes.Does it follow that the difference onWed, 20 Mar 2019 02:08:13 -0500