julian.js 224 B

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  1. 'use strict'
  2. function fromDate (date) {
  3. return date.getTime() / 86400000 + 2440587.5
  4. }
  5. function toDate (julian) {
  6. return new Date((julian - 2440587.5) * 86400000)
  7. }
  8. exports.fromDate = fromDate
  9. exports.toDate = toDate