formatDistanceToNow

// If today is 1 January 2015, what is the distance to 2 July 2014?
const result = formatDistanceToNow(
  new Date(2014, 6, 2)
)
//=> '6 months'

// If now is 1 January 2015 00:00:00,
// what is the distance to 1 January 2015 00:00:15, including seconds?
const result = formatDistanceToNow(
  new Date(2015, 0, 1, 0, 0, 15),
  {includeSeconds: true}
)
//=> 'less than 20 seconds'

// If today is 1 January 2015,
// what is the distance to 1 January 2016, with a suffix?
const result = formatDistanceToNow(
  new Date(2016, 0, 1),
  {addSuffix: true}
)
//=> 'in about 1 year'

// If today is 1 January 2015,
// what is the distance to 1 August 2016 in Esperanto?
const eoLocale = require('date-fns/locale/eo')
const result = formatDistanceToNow(
  new Date(2016, 7, 1),
  {locale: eoLocale}
)
//=> 'pli ol 1 jaro'