C\u00e1ch t\u00ednh n\u0103m nhu\u1eadn theo D\u01b0\u01a1ng l\u1ecbch d\u1ec5 d\u00e0ng<\/figcaption><\/figure>\nC\u00e1ch t\u00ednh theo \u00e2m l\u1ecbch<\/h3>\n
C\u00e1ch t\u00ednh n\u0103m nhu\u1eadn theo \u00e2m l\u1ecbch c\u00f3 ph\u1ea7n ph\u1ee9c t\u1ea1p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi t\u00ednh theo D\u01b0\u01a1ng l\u1ecbch. Ta l\u1ea5y s\u1ed1 n\u0103m chia cho 19, n\u1ebfu s\u1ed1 d\u01b0 nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 0, 3, 6, 9, 11, 14, 17 th\u00ec nh\u1eefng n\u0103m \u0111\u00f3 l\u00e0 n\u0103m nhu\u1eadn m l\u1ecbch.<\/p>\n
V\u00ed d\u1ee5: 2014 l\u00e0 n\u0103m nhu\u1eadn v\u00ec 2014 chia 19 d\u01b0 0, 2015 kh\u00f4ng ph\u1ea3i n\u0103m nhu\u1eadn v\u00ec 2015 chia 19 d\u01b0 1.<\/p>\n
Nguy\u00ean l\u00fd t\u00ednh n\u0103m nhu\u1eadn m l\u1ecbch xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 di chuy\u1ec3n c\u1ee7a M\u1eb7t tr\u0103ng, M\u1eb7t tr\u1eddi v\u00e0 Tr\u00e1i \u0111\u1ea5t. Ng\u00e0y m\u00f9ng 1 \u00e2m l\u00e0 ng\u00e0y m\u00e0 Tr\u00e1i \u0111\u1ea5t, M\u1eb7t tr\u0103ng v\u00e0 M\u1eb7t tr\u1eddi theo th\u1ee9 t\u1ef1 n\u1eb1m th\u1eb3ng h\u00e0ng. M\u1eb7t tr\u0103ng quay n\u1eeda t\u1ed1i v\u1ec1 ph\u00eda Tr\u00e1i \u0111\u1ea5t n\u00ean th\u1eddi \u0111i\u1ec3m n\u00e0y c\u00f2n g\u1ecdi l\u00e0 \u0111\u00eam kh\u00f4ng tr\u0103ng, hay th\u1eddi \u0111i\u1ec3m S\u00f3c.<\/p>\n
L\u1ecbch \u00e2m l\u1ecbch s\u1ebd t\u00ednh li\u00ean ti\u1ebfp c\u00e1c th\u1eddi \u0111i\u1ec3m S\u00f3c. N\u1ebfu hai th\u1eddi \u0111i\u1ec3m S\u00f3c k\u1ebf ti\u1ebfp c\u00e1ch nhau 29 ng\u00e0y th\u00ec th\u00e1ng \u0111\u00f3 thi\u1ebfu, c\u00e1ch nhau 30 ng\u00e0y th\u00ec l\u00e0 th\u00e1ng \u0111\u1ee7. m l\u1ecbch s\u1ebd b\u1ecb l\u1ec7ch g\u1ea7n 11 ng\u00e0y so v\u1edbi d\u01b0\u01a1ng l\u1ecbch. Khi d\u1ed3n 3 n\u0103m l\u1ea1i s\u1ebd d\u01b0 ra 33 ng\u00e0y. V\u1eady n\u00ean qua 3 n\u0103m s\u1ebd nhu\u1eadn th\u00eam 1 th\u00e1ng. T\u00ednh b\u00ecnh qu\u00e2n trong 19 n\u0103m th\u00ec s\u1ebd c\u00f3 7 th\u00e1ng nhu\u1eadn.<\/p>\n
Nh\u1eefng n\u0103m nhu\u1eadn theo \u00e2m l\u1ecbch s\u1ebd \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam m\u1ed9t th\u00e1ng. M\u1ed7i n\u0103m nhu\u1eadn kh\u00e1c nhau th\u00ec s\u1ebd b\u1ed5 sung th\u00eam m\u1ed9t th\u00e1ng nhu\u1eadn kh\u00e1c nhau, c\u00f3 n\u0103m nhu\u1eadn 2 th\u00e1ng 7 c\u00f3 n\u0103m th\u00ec l\u1ea1i nhu\u1eadn 2 th\u00e1ng 6, nh\u01b0 n\u0103m 2020 ch\u00fang ta nhu\u1eadn 2 th\u00e1ng 4. Vi\u1ec7c nhu\u1eadn th\u00e1ng n\u00e0y s\u1ebd lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c chu k\u00ec th\u1eddi ti\u1ebft di\u1ec5n ra m\u1ed9t c\u00e1ch b\u00ecnh th\u01b0\u1eddng.<\/p>\n