{"id":1959,"date":"2021-09-08T10:53:50","date_gmt":"2021-09-08T03:53:50","guid":{"rendered":"http:\/\/vietweather.com\/?p=1959"},"modified":"2021-09-08T10:53:50","modified_gmt":"2021-09-08T03:53:50","slug":"tinh-ngay-mat-troi-len-thien-dinh-o-cac-vi-do","status":"publish","type":"post","link":"https:\/\/vietweather.com\/index.php\/tinh-ngay-mat-troi-len-thien-dinh-o-cac-vi-do\/","title":{"rendered":"T\u00ednh ng\u00e0y M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh \u1edf c\u00e1c v\u0129 \u0111\u1ed9"},"content":{"rendered":"<p><strong>Kh\u00e1i ni\u1ec7m:<\/strong>M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra \u1edf nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m trong v\u00f9ng n\u1ed9i ch\u00ed tuy\u1ebfn (t\u1eeb ch\u00ed tuy\u1ebfn B\u1eafc (CTB) \u0111\u1ebfn ch\u00ed tuy\u1ebfn Nam (CTN) l\u00fac 12h (gi\u1eefa tr\u01b0a) M\u1eb7t Tr\u1eddi \u1edf ngay tr\u00ean \u0111\u1ec9nh \u0111\u1ea7u c\u1ee7a m\u1ed9t \u0111i\u1ec3m, tia s\u00e1ng M\u1eb7t tr\u1eddi th\u1eb3ng g\u00f3c v\u1edbi \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00f3 v\u00e0o nh\u1eefng ng\u00e0y kh\u00e1c nhau.<\/p>\n<p>&nbsp;<\/p>\n<p>Nguy\u00ean nh\u00e2n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 do tr\u1ee5c Tr\u00e1i \u0110\u1ea5t nghi\u00eang m\u1ed9t g\u00f3c 66033\u2019\u00a0 kh\u00f4ng \u0111\u1ed5i so v\u1edbi m\u1eb7t ph\u1eb3ng qu\u1ef9 \u0111\u1ea1o trong khi chuy\u1ec3n \u0111\u1ed9ng t\u1ecbnh ti\u1ebfn tr\u00ean qu\u1ef9 \u0111\u1ea1o quanh M\u1eb7t Tr\u1eddi, l\u00e0m cho M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh l\u1ea7n l\u01b0\u1ee3t\u00a0 c\u00e1c \u0111i\u1ec3m trong v\u00f9ng n\u1ed9i ch\u00ed tuy\u1ebfn B\u1eafc b\u00e1n c\u1ea7u (BBC) \u0111\u1ebfn Nam b\u00e1n c\u1ea7u (NBC).<\/p>\n<p>T\u1eeb ng\u00e0y 21\/3 (Xu\u00e2n Ph\u00e2n) \u0111\u1ebfn ng\u00e0y 23\/9 (Thu Ph\u00e2n), BBC ng\u00e3 v\u1ec1 ph\u00eda M\u1eb7t Tr\u1eddi n\u00ean M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh l\u1ea7n l\u01b0\u00ad\u1ee3t t\u1ea1i c\u00e1c \u0111i\u1ec3m trong v\u00f9ng n\u1ed9i ch\u00ed tuy\u1ebfn B\u1eafc b\u00e1n c\u1ea7u (BBC), xa nh\u1ea5t l\u00e0 t\u1ea1i CTB (23027\u2019B).T\u1eeb sau ng\u00e0y 23\/9 \u0111\u1ebfn ng\u00e0y 21\/3 n\u0103m sau NBC ng\u00e3 v\u1ec1 ph\u00eda M\u1eb7t Tr\u1eddi n\u00ean M\u1eb7t Tr\u1eddi l\u1ea7n l\u01b0\u1ee3t l\u00ean thi\u00ean \u0111\u1ec9nh \u1edf v\u00f9ng n\u1ed9i ch\u00ed tuy\u1ebfn NBC, xa nh\u1ea5t l\u00e0 t\u1ea1i CTN (23027\u2019N).<\/p>\n<p>M\u1ecdi \u0111i\u1ec3m trong v\u00f9ng n\u1ed9i ch\u00ed tuy\u1ebfn trong 1 n\u0103m \u0111\u1ec1u c\u00f3 2l\u1ea7n M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh nh\u01b0ng v\u00e0o c\u00e1c ng\u00e0y kh\u00e1c nhau. C\u00e0ng xa x\u00edch \u0111\u1ea1o kho\u1ea3ng c\u00e1ch gi\u1eefa 2 l\u1ea7n M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh c\u00e0ng g\u1ea7n nhau. V\u00f9ng ngo\u1ea1i ch\u00ed tuy\u1ebfn kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1960\" src=\"https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/graphics12.png\" alt=\"\" width=\"615\" height=\"349\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/graphics12.png 615w, https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/graphics12-300x170.png 300w\" sizes=\"(max-width: 615px) 100vw, 615px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1962\" src=\"https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/12120.png\" alt=\"\" width=\"445\" height=\"258\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/12120.png 445w, https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/12120-300x174.png 300w\" sizes=\"(max-width: 445px) 100vw, 445px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong><br \/>\n<\/strong> <strong>C\u00d4NG TH\u1ee8C T\u00cdNH M\u1eb6T TR\u1edcI L\u00caN THI\u00caN \u0110\u1ec8NH THEO H\u00ccNH H\u1eccC KH\u00d4NG GIAN<\/strong><\/p>\n<p><strong><em>G\u1ed3m 4 b\u01b0\u1edbc c\u1ee5 th\u1ec3 nh\u01b0 sau<\/em><\/strong><strong>:<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> T\u00ednh s\u1ed1 ng\u00e0y d\u00e0i 24 gi\u1edd \u1edf v\u0129 \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng v\u1edbi v\u0129 \u0111\u1ed9 A l\u00e0 90<sup>0<\/sup>&#8211; A theo c\u00f4ng th\u1ee9c sau:<\/p>\n<p>\u1ede BBC: x (ng\u00e0y) = (Arccos.cos [ 90<sup>0<\/sup> \u2013 A ] : 0.398) x 93: 45 + 1<\/p>\n<p>\u1ede NBC: x (ng\u00e0y) = (Arccos.cos [ 90<sup>0<\/sup> \u2013 A ] : 0.398) x 2 \u2013 1<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> T\u00ednh s\u1ed1 ng\u00e0y M\u1eb7t Tr\u1eddi di chuy\u1ec3n t\u1eeb x\u00edch \u0111\u1ea1o l\u00ean v\u0129 \u0111\u1ed9 A l\u00e0:<\/p>\n<p>\u1ede BBC: N (ng\u00e0y) = 93 &#8211; [ x : 2 ]\n<p>\u1ede NBC: N (ng\u00e0y) = 90 &#8211; [ x : 2 ]\n<p><strong>B\u01b0\u1edbc 3:<\/strong> T\u00ednh ng\u00e0y M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh l\u1ea7n th\u1ee9 nh\u1ea5t:<\/p>\n<p>\u1ede BBC: 21\/3 + N ng\u00e0y<\/p>\n<p>\u1ede NBC: 23\/9 + N Ng\u00e0y<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> T\u00ednh M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh l\u1ea7n th\u1ee9 2:<\/p>\n<p>\u1ede BBC: 23\/9 \u2013 N ng\u00e0y<\/p>\n<p>\u1ede NBC: 21\/3 \u2013 N ng\u00e0y<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1961\" src=\"https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/1350740820306280_574_574.jpg\" alt=\"\" width=\"573\" height=\"235\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/1350740820306280_574_574.jpg 573w, https:\/\/vietweather.com\/wp-content\/uploads\/2021\/09\/1350740820306280_574_574-300x123.jpg 300w\" sizes=\"(max-width: 573px) 100vw, 573px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>_____________________________________<\/p>\n<p><strong>C\u00e1ch \u1ea5n m\u00e1y t\u00ednh casio fx 220 hay fx 500<\/strong><\/p>\n<p><strong><em>\u1ede v\u0129 \u0111\u1ed9 B\u1eafc th\u00ec l\u00e0m nh\u01b0 sau:<\/em><\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1: <\/strong><\/p>\n<ul>\n<li>\u1ea4n A<sup>0<\/sup> (v\u0129 \u0111\u1ed9 y\u00eau c\u1ea7u t\u00ecm c\u1ee7a b\u00e0i)<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5: t\u00ednh M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh theo c\u00f4ng th\u1ee9c m\u1edbi t\u1ea1i v\u0129 \u0111\u1ed9 16<sup>0<\/sup>26\u2019B<\/p>\n<p>90(<sup>0<\/sup>\u2019\u2019\u2019) r\u1ed3i \u1ea5n d\u1ea5u (=) tr\u1eeb \u0111i 16(<sup>0<\/sup>\u2019\u2019\u2019)26(<sup>0<\/sup>\u2019\u2019\u2019) r\u1ed3i \u1ea5n d\u1ea5u (=)<\/p>\n<ul>\n<li>\u1ea4n Cos, d\u1ea5u (=)<\/li>\n<li>\u1ea4n d\u1ea5u (:)<\/li>\n<li>\u1ea4n s\u1ed1 0.398 (d\u1ea5u ch\u1ea5m tr\u00ean m\u00e1y t\u00ednh = d\u1ea5u ph\u1ea9y)<\/li>\n<li>\u1ea4n d\u1ea5u (=)<\/li>\n<li>\u1ea4n SHIFT r\u1ed3i \u1ea5n Cos (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi Arscos)<\/li>\n<\/ul>\n<p><strong>B\u01b0\u1edbc 2:<\/strong><\/p>\n<ul>\n<li>\u1ea4n d\u1ea5u (x) r\u1ed3i \u1ea5n ti\u1ebfp s\u1ed1 93<\/li>\n<li>\u1ea4n d\u1ea5u chia (:) cho 45 l\u00e0 ra k\u1ebft qu\u1ea3<\/li>\n<li>C\u1ed9ng th\u00eam 1, r\u1ed3i l\u00e0m tr\u00f2n s\u1ed1 l\u00e0 xong<\/li>\n<\/ul>\n<p>K\u1ebft qu\u1ea3 l\u00e0 93.3794397 (l\u00e0m tr\u00f2n s\u1ed1 93,4 ng\u00e0y)<\/p>\n<p><strong><em>C\u00f2n \u1edf v\u0129 \u0111\u1ed9 Nam:<\/em><\/strong><\/p>\n<p>B\u01b0\u1edbc 1: c\u0169ng l\u00e0m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u01b0\u1edbc 1 \u1edf v\u0129 \u0111\u1ed9 B\u1eafc<\/p>\n<p>B\u01b0\u1edbc 2: ch\u1ec9 c\u1ea7n nh\u00e2n cho 2 r\u1ed3i tr\u1eeb \u0111i 1 l\u00e0 xong<\/p>\n<p>* C\u00f4ng th\u1ee9c t\u00ednh s\u1ed1 ng\u00e0y d\u00e0i 24 gi\u1edd theo v\u0129 \u0111\u1ed9 t\u1eeb 66<sup>o<\/sup>33&#8242; \u0111\u1ebfn 90<sup>o<\/sup>00&#8242;:<br \/>\n<strong>@ \u1edf B\u1eafc B\u00e1n C\u1ea7u: t\u1eeb 66<sup>0<\/sup>33\u2019B \u0111\u1ebfn 90<sup>0<\/sup>B<\/strong><\/p>\n<p>Ta bi\u1ebft t\u1eeb v\u00f2ng c\u1ef1c t\u1edbi c\u1ef1c c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng ng\u00e0y d\u00e0i 24h trong m\u00f9a h\u1ea1 (\u1edf BBC t\u1eeb ng\u00e0y 21\/3 \u0111\u1ebfn ng\u00e0y 23\/9) v\u00e0 \u0111\u00eam d\u00e0i 24h k\u00e9o d\u00e0i trong m\u00f9a \u0111\u00f4ng (\u1edf BBC t\u1eeb ng\u00e0y 23\/9 \u0111\u1ebfn 21\/3 n\u0103m sau).<\/p>\n<p>S\u1ed1 ng\u00e0y d\u00e0i 24h t\u1ea1i \u0111i\u1ec3m A (\u0111i\u1ec3m A n\u1eb1m trong v\u00f9ng t\u1eeb 66<sup>0<\/sup>33\u2019B \u0111\u1ebfn 90<sup>0<\/sup>B)<\/p>\n<p>\u0110\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c sau:<br \/>\nS\u1ed1 ng\u00e0y d\u00e0i 24h = (arcos.cos A : 0.398) x 93 : 45 + 1<br \/>\n<strong>@ \u1edf Nam B\u00e1n C\u1ea7u:<\/strong><br \/>\nS\u1ed1 ng\u00e0y d\u00e0i 24h = (arcos.cos A : 0.398) x 2 \u2013 1<\/p>\n<p>&nbsp;<\/p>\n<p>* C\u00f4ng th\u1ee9c t\u00ednh s\u1ed1 gi\u1edd ban ng\u00e0y c\u1ee7a m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m b\u1ea5t k\u00ec v\u00e0o ng\u00e0y 22- 6:<br \/>\nS\u1ed1 gi\u1edd ban ng\u00e0y=[180o-arcos(tan (v\u0129 \u0111\u1ed9 \u0111\u1ecba \u0111i\u1ec3m c\u1ea7n t\u00ednh) . tan 23<sup>o<\/sup>27&#8242;)] .2:15<br \/>\nC\u00f4ng th\u1ee9c t\u00ednh gi\u1edd theo m\u00fai:<br \/>\nGi\u1edd theo m\u00fai =gi\u1edd GMT + m\u00fai<br \/>\n<strong>* V\u00e0o ng\u00e0y 22 &#8211; 6<\/strong>:<br \/>\n&#8211; \u1ede n\u1eeda c\u1ea7u B\u1eafc, n\u1ebfu:<br \/>\n+ V\u0129 \u0111\u1ed9 &lt; 23<sup>o<\/sup>27\u2019 th\u00ec \u03b1 = 90<sup>o<\/sup> &#8211; 23<sup>o<\/sup>27\u2019 + v\u0129 \u0111\u1ed9<br \/>\n+ V\u0129 \u0111\u1ed9 &gt; 23<sup>o<\/sup>27\u2019 th\u00ec \u03b1 = 90<sup>o<\/sup> &#8211; v\u0129 \u0111\u1ed9 + 23<sup>o<\/sup>27\u2019<br \/>\n+ V\u0129 \u0111\u1ed9 \u1edf n\u1eeda c\u1ea7u Nam th\u00ec \u03b1 = 90<sup>o <\/sup>&#8211; 23<sup>o<\/sup>27\u2019 &#8211; v\u0129 \u0111\u1ed9<br \/>\n<strong>* V\u00e0o ng\u00e0y 22-12:<\/strong><br \/>\n&#8211; \u1ede n\u1eeda c\u1ea7u Nam, n\u1ebfu:<br \/>\n+ V\u0129 \u0111\u1ed9 &lt; 23<sup>o<\/sup>27\u2019 th\u00ec \u03b1 = 90<sup>o<\/sup> &#8211; 23<sup>o<\/sup>27\u2019 + v\u0129 \u0111\u1ed9<br \/>\n+ V\u0129 \u0111\u1ed9 &gt; 23<sup>o<\/sup>27\u2019 th\u00ec \u03b1=90<sup>o<\/sup> &#8211; v\u0129 \u0111\u1ed9 + 23<sup>o<\/sup>27\u2019<br \/>\n+ V\u0129 \u0111\u1ed9 \u1edf n\u1eeda c\u1ea7u Nam th\u00ec \u03b1 = 90<sup>o<\/sup> &#8211; 23<sup>o<\/sup>27\u2019 &#8211; v\u0129 \u0111\u1ed9<br \/>\n* V\u00e0o ng\u00e0y 21 &#8211; 3 v\u00e0 23 &#8211; 9:<br \/>\n&#8211; T\u1ea1i m\u1ecdi v\u0129 \u0111\u1ed9 \u1edf c\u1ea3 hai n\u1eeda c\u1ea7u B\u1eafc v\u00e0 Nam \u03b1 = 90<sup>o<\/sup> \u2013 v\u0129 \u0111\u1ed9<br \/>\n<strong><em>Ch\u00fa \u00fd k\u1ebft qu\u1ea3 g\u00f3c nh\u1eadp x\u1ea1 t\u00ednh ra ph\u1ea3i l\u00e0m tr\u00f2n \u0111\u1ebfn ph\u00fat.<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>T\u01b0 li\u1ec7u: https:\/\/www.idialy.com\/2016\/04\/tinh-ngay-mat-troi-len-thien-dinh.html<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1i ni\u1ec7m:M\u1eb7t Tr\u1eddi l\u00ean thi\u00ean \u0111\u1ec9nh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra \u1edf nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m trong v\u00f9ng n\u1ed9i ch\u00ed tuy\u1ebfn (t\u1eeb ch\u00ed tuy\u1ebfn B\u1eafc (CTB) \u0111\u1ebfn ch\u00ed tuy\u1ebfn Nam (CTN) l\u00fac 12h (gi\u1eefa tr\u01b0a) M\u1eb7t Tr\u1eddi \u1edf ngay tr\u00ean \u0111\u1ec9nh \u0111\u1ea7u c\u1ee7a m\u1ed9t \u0111i\u1ec3m, tia s\u00e1ng M\u1eb7t tr\u1eddi th\u1eb3ng g\u00f3c v\u1edbi \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi c\u1ee7a [&#8230;]\n","protected":false},"author":1,"featured_media":1963,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[41,37,20,40,1,35,14],"tags":[],"_links":{"self":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1959"}],"collection":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/comments?post=1959"}],"version-history":[{"count":1,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1959\/revisions"}],"predecessor-version":[{"id":1964,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1959\/revisions\/1964"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/media\/1963"}],"wp:attachment":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/media?parent=1959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/categories?post=1959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/tags?post=1959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}