| 'use strict'; |
| |
| var DayWithinYear = require('./DayWithinYear'); |
| var InLeapYear = require('./InLeapYear'); |
| |
| // https://262.ecma-international.org/5.1/#sec-15.9.1.4 |
| |
| module.exports = function MonthFromTime(t) { |
| var day = DayWithinYear(t); |
| if (0 <= day && day < 31) { |
| return 0; |
| } |
| var leap = InLeapYear(t); |
| if (31 <= day && day < (59 + leap)) { |
| return 1; |
| } |
| if ((59 + leap) <= day && day < (90 + leap)) { |
| return 2; |
| } |
| if ((90 + leap) <= day && day < (120 + leap)) { |
| return 3; |
| } |
| if ((120 + leap) <= day && day < (151 + leap)) { |
| return 4; |
| } |
| if ((151 + leap) <= day && day < (181 + leap)) { |
| return 5; |
| } |
| if ((181 + leap) <= day && day < (212 + leap)) { |
| return 6; |
| } |
| if ((212 + leap) <= day && day < (243 + leap)) { |
| return 7; |
| } |
| if ((243 + leap) <= day && day < (273 + leap)) { |
| return 8; |
| } |
| if ((273 + leap) <= day && day < (304 + leap)) { |
| return 9; |
| } |
| if ((304 + leap) <= day && day < (334 + leap)) { |
| return 10; |
| } |
| if ((334 + leap) <= day && day < (365 + leap)) { |
| return 11; |
| } |
| }; |
