Day.js

Day.js

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›Manipulate

Installation

  • Installation
  • Node.js
  • Browser
  • TypeScript
  • Download

Parse

  • Parse
  • Now
  • String
  • String + Format
  • Unix Timestamp (milliseconds)
  • Unix Timestamp (seconds)
  • Date
  • Object
  • Array
  • UTC
  • Dayjs Clone
  • Validation

Get + Set

  • Get + Set
  • Millisecond
  • Second
  • Minute
  • Hour
  • Date of Month
  • Day of Week
  • Day of Week (Locale Aware)
  • ISO Day of Week
  • Day of Year
  • Week of Year
  • Week of Year (ISO)
  • Month
  • Quarter
  • Year
  • Week Year
  • Week Year (ISO)
  • Weeks In Year (ISO)
  • Get
  • Set
  • Maximum
  • Minimum

Manipulate

  • Manipulate
  • Add
  • Subtract
  • Start of Time
  • End of Time
  • Local
  • UTC
  • UTC offset

Display

  • Display
  • Format
  • Time from now
  • Time from X
  • Time to now
  • Time to X
  • Calendar Time
  • Difference
  • Unix Timestamp (milliseconds)
  • Unix Timestamp
  • Days in Month
  • As Javascript Date
  • As Array
  • As JSON
  • As ISO 8601 String
  • As Object
  • As String

Query

  • Query
  • Is Before
  • Is Same
  • Is After
  • Is Same or Before
  • Is Same or After
  • Is Between
  • Is a Dayjs
  • Is Leap Year

i18n

  • i18n
  • Loading locale in NodeJS
  • Loading locale in the browser
  • Changing locale globally
  • Changing locales locally
  • Checking the current Day.js locale
  • Listing the months and weekdays of the current locale
  • Accessing locale specific functionality

Plugins

  • Plugin
  • Loading plugin in NodeJS
  • Loading plugin in the browser
  • AdvancedFormat
  • ArraySupport
  • BadMutable
  • BigIntSupport
  • BuddhistEra
  • Calendar
  • CustomParseFormat
  • DayOfYear
  • DevHelper
  • Duration
  • IsBetween
  • IsLeapYear
  • IsSameOrAfter
  • IsSameOrBefore
  • IsToday
  • IsTomorrow
  • IsYesterday
  • IsoWeek
  • IsoWeeksInYear
  • LocaleData
  • LocalizedFormat
  • MinMax
  • ObjectSupport
  • PluralGetSet
  • PreParsePostFormat
  • QuarterOfYear
  • RelativeTime
  • Timezone
  • ToArray
  • ToObject
  • UpdateLocale
  • UTC
  • weekOfYear
  • WeekYear
  • Weekday

Customize

  • Customize
  • Month Names
  • Month Abbreviations
  • Weekday Names
  • Weekday Abbreviations
  • Minimal Weekday Abbreviations
  • Relative Time
  • Calendar

Durations

  • Durations
  • Creating
  • Clone
  • Humanize
  • Format
  • Milliseconds
  • Seconds
  • Minutes
  • Hours
  • Days
  • Weeks
  • Months
  • Years
  • Add Time
  • Subtract Time
  • Using Duration with Diff
  • As Unit of Time
  • Get Unit of Time
  • As JSON
  • Is a Duration
  • As ISO 8601 String
  • Locale

Time Zone

  • Time Zone
  • Parsing in Zone
  • Converting to Zone
  • Guessing user zone
  • Set Default Timezone
Edit

Subtract

Returns a cloned Day.js object with a specified amount of time subtracted.

dayjs().subtract(7, 'year')

Units are case insensitive, and support plural and short forms.

List of all available units

When decimal values are passed for days and weeks, they are rounded to the nearest integer before subtracting.

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