How many weeks between now and…

Calculate the number of weeks and days between now and any other date. Figure out how many weeks have passed since a specific date, or the number of weeks left before something happens in the future.

Face with waiting expression Nothing to see yet!

Loading takeymakey...
TakeyMakey code
Want this tool to do something else? Edit the code below and make it do whatever you want.
export const take = [
  { type: "number", label: "Year" },
  { type: "number", label: "Month", min: 1, max: 12 },
  { type: "number", label: "Day", min: 1, max: 31 },
]

export const make = ([y, m, d]) => {
  const d0 = new Date()
  const d1 = new Date().setFullYear(y, m - 1, d)

  const delta = Math.abs((d1 - d0) / (1000 * 60 * 60 * 24 * 7))
  const major = Math.floor(delta)
  const minor = Math.round((delta % 1) * 7)

  const date = new Intl.DateTimeFormat(undefined, {
    year: "numeric",
    day: "numeric",
    month: "long",
    weekday: "long",
    era: y < 1200 ? "short" : undefined,
  }).format(d1)

  const majNoun = "week" + (major === 1 ? "" : "s")
  const minNoun = "day" + (minor === 1 ? "" : "s")

  const count = [
    major > 0 && `${major} ${majNoun}`,
    minor > 0 && `${minor} ${minNoun}`,
  ]
    .filter((f) => f)
    .join(" and ")

  let value, detail

  if (d1 - d0 === 0) {
    value = `It's here!`
    detail = `It's ${date} today!`
  } else if (d1 - d0 > 0) {
    value = `${major} ${majNoun} left`
    detail = `${date} is in <br>${count}.`
  } else {
    value = `${major} ${majNoun} ago`
    detail = `${date} was <br>${count} ago.`
  }

  return {
    type: "card",
    value,
    detail,
  }
}