DateTimeExtensions extension

Extension methods on DateTime for date/time operations

on

• DateTime

Properties

age → int

Available on DateTime, provided by the DateTimeExtensions extension

Calculates age from this date (birthdate) to now

no setter

endOfDay → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the day (23:59:59.999)

no setter

endOfHour → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the hour

no setter

endOfMinute → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the minute

no setter

endOfMonth → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the month (last day 23:59:59)

no setter

endOfQuarter → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the quarter

no setter

endOfWeek → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the week (Sunday 23:59:59)

no setter

endOfYear → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the end of the year (December 31st 23:59:59)

no setter

isAfternoon → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the afternoon (12:00-17:00)

no setter

isEvening → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the evening (17:00-21:00)

no setter

isFriday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Friday

no setter

isFuture → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the future

no setter

isMonday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Monday

no setter

isMorning → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the morning (before 12:00)

no setter

isNight → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is at night (after 21:00)

no setter

isPast → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the past

no setter

isSaturday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Saturday

no setter

isSunday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Sunday

no setter

isThisMonth → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the current month

no setter

isThisWeek → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the current week

no setter

isThisYear → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is in the current year

no setter

isThursday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Thursday

no setter

isToday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is today

no setter

isTomorrow → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is tomorrow

no setter

isTuesday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Tuesday

no setter

isWednesday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is Wednesday

no setter

isWeekday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is a weekday (Monday-Friday)

no setter

isWeekend → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is a weekend (Saturday or Sunday)

no setter

isYesterday → bool

Available on DateTime, provided by the DateTimeExtensions extension

Returns true if this date is yesterday

no setter

quarter → int

Available on DateTime, provided by the DateTimeExtensions extension

Gets the quarter number (1-4)

no setter

roundToDay → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Rounds this date to the nearest day

no setter

roundToHour → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Rounds this date to the nearest hour

no setter

startOfDay → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the day (00:00:00.000)

no setter

startOfHour → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the hour

no setter

startOfMinute → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the minute

no setter

startOfMonth → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the month (first day 00:00:00)

no setter

startOfQuarter → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the quarter

no setter

startOfWeek → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the week (Monday 00:00:00)

no setter

startOfYear → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Returns the start of the year (January 1st 00:00:00)

no setter

timezoneName → String

Available on DateTime, provided by the DateTimeExtensions extension

Gets the timezone name (e.g., "PST")

no setter

timezoneOffset → String

Available on DateTime, provided by the DateTimeExtensions extension

Gets the timezone offset string (e.g., "+05:30")

no setter

toLocal → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Converts this date to local time

no setter

toUtc → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Converts this date to UTC

no setter

weekNumber → int

Available on DateTime, provided by the DateTimeExtensions extension

Gets the ISO week number

no setter

Methods

addBusinessDays(int days) → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Adds days business days (skips weekends)

addMonths(int months) → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Adds months months (handles edge cases like Jan 31 + 1 month)

businessDaysSince(DateTime other) → int

Available on DateTime, provided by the DateTimeExtensions extension

Gets the number of business days since other date

businessDaysUntil(DateTime other) → int

Available on DateTime, provided by the DateTimeExtensions extension

Gets the number of business days until other date

clampBetween(DateTime min, DateTime max) → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Clamps this date between min and max

daysSince(DateTime other) → int

Available on DateTime, provided by the DateTimeExtensions extension

Gets the number of days since other date

daysUntil(DateTime other) → int

Available on DateTime, provided by the DateTimeExtensions extension

Gets the number of days until other date

formatCustom(String pattern, [String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date using a custom pattern

formatDateTimeLong([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats date and time together in long format

formatDateTimeMedium([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats date and time together in medium format

formatDateTimeShort([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats date and time together in short format

formatForFileName() → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date for use in filenames

formatFull([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date in full format (e.g., "Monday, December 1, 2025")

formatIso8601() → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date in ISO 8601 format

formatLong([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date in long format (e.g., "December 1, 2025")

formatMedium([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date in medium format (e.g., "Dec 1, 2025")

formatShort([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the date in short format (e.g., "12/1/2025")

formatTime12Hour([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the time in 12-hour format (e.g., "2:30 PM")

formatTime12HourWithSeconds([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the time in 12-hour format with seconds

formatTime24Hour([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the time in 24-hour format (e.g., "14:30")

formatTime24HourWithSeconds([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Formats the time in 24-hour format with seconds

getRelativeTime([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Gets relative time string (e.g., "2 hours ago", "in 3 days")

getRelativeTimeShort([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Gets short relative time string (e.g., "2h", "3d")

getSmartFormat([String locale = 'en_US']) → String

Available on DateTime, provided by the DateTimeExtensions extension

Gets smart formatted string (context-aware)

isBetween(DateTime start, DateTime end) → bool

Available on DateTime, provided by the DateTimeExtensions extension

Checks if this date is between start and end (inclusive)

isSameDayAs(DateTime other) → bool

Available on DateTime, provided by the DateTimeExtensions extension

Checks if this date is the same day as other

isSameMonthAs(DateTime other) → bool

Available on DateTime, provided by the DateTimeExtensions extension

Checks if this date is the same month as other

isSameWeekAs(DateTime other) → bool

Available on DateTime, provided by the DateTimeExtensions extension

Checks if this date is the same week as other

isSameYearAs(DateTime other) → bool

Available on DateTime, provided by the DateTimeExtensions extension

Checks if this date is the same year as other

subtractBusinessDays(int days) → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Subtracts days business days (skips weekends)

subtractMonths(int months) → DateTime

Available on DateTime, provided by the DateTimeExtensions extension

Subtracts months months