v2.1.0v2.0.0v1.2.0# Date and Time Functions

### DateAdd

### DateDiff

### DatePart

### DateSerial

### DateString

### DateValue

### Day

### Hour

### Minute

### Month

### MonthName

### Now

### Second

### TimeOfDay

### Timer

### TimeSerial

### TimeString

### TimeValue

### Today

### Weekday

### WeekDayName

### Quarter

### QuarterName

### Year

### AddYears

### AddMonths

### AddDays

### AddHours

### AddMinutes

### AddSeconds

### AddMilliseconds

## Feedback

Returns a date to which a specified time interval has been added.

**Syntax**

DateAdd(`interval`

, `number`

, `date`

)

**Arguments**

`interval`

is a string that sets the interval of time you want to add. Possible values are:`yyyy`

- Year`q`

- Quarter`m`

- Month`y`

- Day of year`d`

- Day`w`

- Weekday`ww`

- Week`h`

- Hour`n`

- Minute`s`

- Second

`number`

is the number of intervals you want to add. It can be positive (to get dates in the future) or negative (to get dates in the past).`date`

is the date to which the interval is added.

**Examples**

To add one year to the current date, you can use the following expression.

```
{DateAdd("yyyy", 1, Now())}
```

Returns the number of time intervals between two specified dates.

**Syntax**

DateDiff(`interval`

, `date1`

, `date2`

, [ `firstdayofweek`

, [ `firstweekofyear`

]] )

**Arguments**

`interval`

is a string that sets the interval of time you use to calculate the difference between`date1`

and`date2`

. Possible values are:`yyyy`

- Year`q`

- Quarter`m`

- Month`y`

- Day of year`d`

- Day`w`

- Weekday`ww`

- Week`h`

- Hour`n`

- Minute`s`

- Second

`date1`

,`date2`

- two dates you want to use in the calculation.`firstdayofweek`

is the optional number that specifies the week's first day (Sunday=1, Saturday=7). If not specified, Sunday is assumed.`firstweekofyear`

is the optional number that specifies the first week of the year. If not specified, the first week is assumed to be the week in which January 1 occurs. Possible values are:`1`

- start with week in which January 1 occurs`2`

- start with the first week that has at least four days in the new year`3`

- Start with the first full week of the year.

**Examples**

To compare how long it took to ship the order after it was placed, you can use the following expression.

```
{DateDiff("d", ShipDate, OrderDate)}
```

Returns the specified part of a given date.

**Syntax**

DatePart(`interval`

, `date`

, [ `firstdayofweek`

, [ `firstweekofyear`

]])

**Arguments**

`interval`

is a string that sets is the interval of time you want to return. Possible values are:`yyyy`

- Year`q`

- Quarter`m`

- Month`y`

- Day of year`d`

- Day`w`

- Weekday`ww`

- Week`h`

- Hour`n`

- Minute`s`

- Second

`date`

- is a date for which you want to return its part.`firstdayofweek`

is the optional number that specifies the week's first day (Sunday=1, Saturday=7). If not specified, Sunday is assumed.`firstweekofyear`

is the optional number that specifies the first week of the year. If not specified, the first week is assumed to be the week in which January 1 occurs. Possible values are:`1`

- start with week in which January 1 occurs`2`

- start with the first week that has at least four days in the new year`3`

- Start with the first full week of the year.

**Examples**

You can use the following expression to show the copyright symbol along with the current year.

```
© {DatePart("yyyy", Now())}
```

Returns a date for a specified year, month, and day.

**Syntax**

DateSerial(`year`

, `month`

, `day`

)

**Arguments**

`year`

- an integer number between 100 and 9999.`month`

- an integer number between 1 and 12`day`

- an integer number between 1 and 31

**Examples**

You can use the following expression to construct January 4, 1982

```
{DateSerial(1982, 1, 4)}
```

Returns a string value representing the current date in `yyyy-mm-dd`

format.

**Syntax**

DateString()

Returns a date from a specified string.

**Syntax**

DateValue(`date`

)

**Arguments**

`date`

- a string that contains a date in`yyyy-mm-dd`

format.

**Examples**

You can use the following expression to construct a date from `2020-02-29`

string.

```
{DateValue("2020-02-29")}
```

Returns a number between 1 and 31, inclusive, representing the day of the month.

**Syntax**

Day(`date`

)

**Arguments**

`date`

- a date for which you want to return its day of the month

**Examples**

You can use the following expression to return the day of the month for the current date.

```
{Day(Now())}
```

Returns a number between 0 and 23, inclusive, representing the hour of the day.

**Syntax**

Hour(`date`

)

**Arguments**

`date`

- a date for which you want to return its hour of the day

**Examples**

You can use the following expression to return the hour of the day for the current date.

```
{Hour(Now())}
```

Returns a number between 0 and 59, inclusive, representing the minute of the hour.

**Syntax**

Minute(`date`

)

**Arguments**

`date`

- a date for which you want to return its minute of the hour

**Examples**

You can use the following expression to return the minute of the hour for the current date.

```
{Minute(Now())}
```

Returns a number between 1 and 12, inclusive, representing the month of the year.

**Syntax**

Month(`date`

)

**Arguments**

`date`

- a date for which you want to return its month of the year

**Examples**

You can use the following expression to return the month of the year for the current date.

```
{Month(Now())}
```

Returns a string indicating the specified month.

**Syntax**

MonthName(`month`

, [ `abbreviate`

])

**Arguments**

`month`

- the numeric designation of the month. For example, January is 1, February is 2, and so on.`abbreviate`

- the optional boolean value that indicates whether the month name should be abbreviated. The default is`false`

**Examples**

You can use the following expression to return an abbreviation of the current month.

```
{MonthName(Month(Now()), true)}
```

Returns the current date and time.

**Syntax**

Now()

Returns a number between 0 and 59, inclusive, representing the second of the minute.

**Syntax**

Second(`date`

)

**Arguments**

`date`

- a date for which you want to return its second of the minute

**Examples**

You can use the following expression to return the second of the minute for the current date.

```
{Second(Now())}
```

Returns a date containing the current time of day.

**Syntax**

TimeOfDay()

Returns the number of seconds elapsed since midnight.

**Syntax**

Timer()

Returns a date containing the time for a specific hour, minute, and second.

**Syntax**

TimeSerial(`hour`

, `minute`

, `second`

)

**Arguments**

`hour`

- an integer number between 0 and 23.`minute`

- an integer number between 0 and 59`second`

- an integer number between 0 and 59

**Examples**

You can use the following expression to construct a date at 3.30 pm time.

```
{TimeSerial(15, 30,0)}
```

Returns a string value representing the current time of day.

**Syntax**

TimeString()

Returns a time value from a specified string.

**Syntax**

TimeValue(`time`

)

**Arguments**

`time`

- a string that contains a time value for a 12-hour or 24-hour clock.

**Examples**

You can use the following expression to construct a time from `3:15 am`

string.

```
{TimeValue("3:15am")}
```

Returns the current date at midnight.

**Syntax**

Today()

Returns a number representing the day of the week.

**Syntax**

Weekday(`date`

, [ `firstdayofweek`

])

**Arguments**

`date`

- a date for which you want to return its day of the week`firstdayofweek`

is the optional number that specifies the week's first day (Sunday=1, Saturday=7). If not specified, Sunday is assumed.

**Examples**

You can use the following expression to return the current weekday.

```
{Weekday(Today())}
```

Returns a string indicating the specified day of the week.

**Syntax**

WeekdayName(`weekday`

, [`abbreviate`

, [`firstdayofweek`

]])

**Arguments**

`weekday`

- the numeric designation for the day of the week. The numeric value of each day depends on the setting of the`firstdayofweek`

argument.`abbreviate`

- the optional boolean value that indicates whether the weekday name should be abbreviated. The default is`false`

`firstdayofweek`

is the optional number that specifies the week's first day (Sunday=1, Saturday=7). If not specified, Sunday is assumed.

**Examples**

You can use the following expression to return an abbreviation of the current day of the week.

```
{WeekDayName(Weekday(Now()), true)}
```

Returns a number between 1 and 4, inclusive, representing the quarter of the year.

**Syntax**

Quarter(`date`

)

**Arguments**

`date`

- a date for which you want to return its quarter of the year

**Examples**

You can use the following expression to return the quarter of the year for the current date.

```
{Quarter(Now())}
```

Returns a string representing the quarter name.

**Syntax**

QuarterName(`date`

)

**Arguments**

`date`

- a date for which you want to return its quarter name

**Examples**

You can use the following expression to return the quarter name for the current date.

```
{QuarterName(Now())}
```

Returns a number representing the year.

**Syntax**

Year(`date`

)

**Arguments**

`date`

- a date for which you want to return its year

**Examples**

You can use the following expression to return the current year.

```
{Year(Now())}
```

Returns a new date that adds the specified number of years to the calling date.

**Syntax**

<Date>.AddYears(`years`

)

**Arguments**

`years`

- a number of years to add. It can be negative or positive.

**Examples**

You can use the following expression to return the date that two years ahead of the current date.

```
{Now().AddYears(2)}
```

Returns a new date that adds the specified number of months to the calling date.

**Syntax**

<Date>.AddMonths(`months`

)

**Arguments**

`months`

- a number of months to add. It can be negative or positive.

**Examples**

You can use the following expression to return the date that five months behind the current date.

```
{Now().AddMonths(-5)}
```

Returns a new date that adds the specified number of days to the calling date.

**Syntax**

<Date>.AddMonths(`days`

)

**Arguments**

`days`

- a number of days to add. It can be negative or positive.

**Examples**

You can use the following expression to return tomorrow's date.

```
{Now().AddDays(1)}
```

Returns a new date that adds the specified number of hours to the calling date.

**Syntax**

<Date>.AddHours(`hours`

)

**Arguments**

`hours`

- a number of hours to add. It can be negative or positive.

**Examples**

You can use the following expression to return yesterday's date.

```
{Now().AddHours(-24)}
```

Returns a new date that adds the specified number of minutes to the calling date.

**Syntax**

<Date>.AddMinutes(`minutes`

)

**Arguments**

`minutes`

- a number of minutes to add. It can be negative or positive.

**Examples**

You can use the following expression to return the date that 30 minutes behind the current date.

```
{Now().AddMinutes(-30)}
```

Returns a new date that adds the specified number of seconds to the calling date.

**Syntax**

<Date>.AddSeconds(`seconds`

)

**Arguments**

`seconds`

- a number of seconds to add. It can be negative or positive.

**Examples**

You can use the following expression to return the date that 45 seconds ahead of the current date.

```
{Now().AddSeconds(45)}
```

Returns a new date that adds the specified number of milliseconds to the calling date.

**Syntax**

<Date>.AddMilliseconds(`milliseconds`

)

**Arguments**

`milliseconds`

- a number of milliseconds to add. It can be negative or positive.

**Examples**

You can use the following expression to return the date that 654 milliseconds behind the current date.

```
{Now().AddMilliseconds(-654)}
```

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