IRIS Toolbox Reference Manual

## ww

IRIS serial date number for weekly date

#### Syntax

    Dat = ww(Year,Week)
    Dat = ww(Year,Month,Day)

#### Input arguments

- `Year` [ numeric ] - Years.

- `Week` [ numeric ] - Week of the year.

- `Month` [ numeric ] - Calendar month.

- `Day` [ numeric ] - Calendar day of the month `Month`.

#### Output arguments

- `Dat` [ numeric ] - IRIS serial date number representing the weekly date.

#### Description

The IRIS weekly dates comply with the ISO 8601 definition:

- every week starts on Monday and ends on Sunday;

- the month or year to which the week belongs is determined by its Thurdsay.

#### Example

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