Date & time fields

If you are working with fields containing date or timestamp information in your app, you can define a number of related attributes of a date, for example, year or week, and use them in your visualization.

Creating date fields in Data manager

Date fields are created automatically for all data fields recognized as a date or a timestamp when you use Add data with data profiling enabled to build your data model in Data manager, or when you click Load data in Data manager.

Date fields created in Data manager are automatically added to autoCalendar.

For more information, see Loading and managing data with Data Manager.

If the date or timestamp field is not recognized automatically, you can adjust the input format in the Data manager table editor. You can also set the display format to use in visualizations.

For more information, see Changing field types.

Which date & time fields are automatically recognized?

Date & timestamp fields will be recognized automatically based on your system locale settings. Additionally, the following formats are recognized:

M/D/YYYY h:mm
D/M/YYYY h:mm TT
M/D/YYYY
D/MM/YYYY
YYYYMMDD
YYYYMMDDhhmmss
YYYYMMDDhhmmss.fff
YYYYMMDDhhmmssK
YYYY-MM-DD
YYYY-MM-DDThh:mm:ss
YYYY-MM-DD-Thh:mm:ss.fff
YYYY-MM-DD-Thh:mm:ssK

Date & time formats
Format specifier	Description
YYYY	Year
M, MM	Month
D, DD	Day
hh	Hour
mm	Minute
ss	Second
fff	Millisecond
TT	AM or PM
K	Timezone
T	Divider between date and time. T can not be replaced with another character.

Creating date & time fields in the data load script

If you use Data load editor to build your data model, you need to create a calendar template where you define which fields to derive in the data load script. The derived date & time fields will be generated when the script is run and data is reloaded.

For more information, see Derived fields.

Using date & time fields in your app

Date & time fields in visualizations

All date or timestamp fields in the assets panel Fields tab are marked with Date and time , and you can expand them to use the generated date & time fields. You can use them in visualizations, just like any other data field.

Date & time fields in dimensions

You can also use date & time fields when you create a dimension. The date & time fields are listed under the field that they have been generated from.

Date & time fields in expressions

You can use date & time fields in all expressions, for example when you create a measure. The date & time fields are named according to:

[field name].autoCalendar.[date & time field].

[field name] is the name of the data field that was used to generate date & time fields.
[date & time field] is the date & time field you want to use, for example, Year.

Example:

Date.autoCalendar.Year

Date & time fields in calendar measures

Calendar measures use date & time fields created in autoCalendar. Each of these date & time fields is calculated by a set analysis expression that determines whether or not data falls within the time-to-date period, or if dates are within a defined relative position to the current date. These date & time fields are relative and return results based on the current date. You can use these fields independently of calendar measures.

Calendar field date & time fields are formatted as follows:

[field name].autoCalendar.[date & time field]={[value]}

[field name] is the name of the date field used to generate date & time fields.
[data & time field] is the name of the date & time field used, for example, InYTD.
[value] is the value for the date & time field’s set analysis expression and determines which dates are included.

Example:

Date.autoCalendar.YearsAgo={1}

The following are the available date & time fields with sample values:

This date & time field determines whether or not dates are within the year-to-date range or outside the year-to-date range.

InYTD
Example	Result
Date.autoCalendar.InYTD={0}	Returns all dates that fall in the year-to-date time range. For example, if the current date was the 54th day of the year, the dates within the first 54 days of every year in the date field would be included.
Date.autoCalendar.InYTD={1}	Returns all dates outside the year-to-date time range. For example, if the current date was the 54th day of the year, all the dates after the first 54 days of every year in the date field would be included.

This date & time field determines whether or not dates are from a specific year relative to the current date.

YearsAgo
Example	Result
Date.autoCalendar.YearsAgo={0}	Returns all dates from this year.
Date.autoCalendar.YearsAgo={1}	Returns all dates from last year.
Date.autoCalendar.YearsAgo={8}	Returns all dates from eight years ago.

This date & time field determines whether or not dates are within the quarter-to-date range or outside the quarter-to-date range, relative to the current date.

InQTD
Example	Result
Date.autoCalendar.InQTD={0}	Returns all dates from all quarters that are within the quarter-to-date range. For example, if the current date was the 14th day of Quarter 1, the first 14 days of every quarter in the date field would be included.
Date.autoCalendar.InQTD={1}	Returns all dates from all quarters that are outside the current quarter-to-date range. For example, if the current date was the 14th day of Quarter 1, all dates after the first 14 days of every quarter in the date field would be included.

This date & time field determines whether or not dates are from a specific quarter relative to the current date.

QuartersAgo
Example	Result
Date.autoCalendar.QuartersAgo={0}	Returns all dates from the current quarter.
Date.autoCalendar.QuartersAgo={1}	Returns all dates from the last quarter.
Date.autoCalendar.QuartersAgo={8}	Returns all dates from eight quarters ago.

This date & time field determines whether or not dates are from a specific quarter relative to the current date.

QuarterRelNo
Example	Result
Date.autoCalendar.QuarterRelNo={0}	Returns all dates from each instance of the current quarter. For example, if the current date was in Quarter 4, all dates from each Quarter 4 in the date field would be included.
Date.autoCalendar.QuarterRelNo={3}	Returns all dates from each instance of the quarter two quarters prior to the current quarter. For example, if the current date was in Quarter 4, all dates from each Quarter 1 in the date field would be included

This date & time field determines whether or not dates are within the month-to-date range or outside the month-to-date range, relative to the current date.

InMTD
Example	Result
Date.autoCalendar.InMTD={0}	Returns all dates from all months that are within the current month-to-date range. For example, if the date was November 15, 2016, dates from the first 15 days of every month in the date field would be included.
Date.autoCalendar.InMTD={1}	Returns all dates from all months that are outside the current month-to-date range. For example, if the date was November 15, 2016, dates after the first 15 days to the end of the month of every month in the date field would be included.

This date & time field determines whether or not dates are from a specific month relative to the current date.

MonthsAgo
Example	Result
Date.autoCalendar.MonthAgo={0}	Returns all dates from the current month.
Date.autoCalendar.MonthAgo={1}	Returns all dates from the last month.
Date.autoCalendar.MonthAgo={8}	Returns all dates from eight months ago.

This date & time field determines whether or not dates are from a specific month relative to the current date.

MonthRelNo
Example	Result
Date.autoCalendar.MonthRelNo={0}	Returns all dates from each instance of the current month. For example, if the current month was June, all dates in every instance of June in the date field would be included.
Date.autoCalendar.MonthRelNo={1}	Returns all dates from the each instance of the previous month. For example, if the current month was June, all dates in every instance of May in the date field would be included.

This date & time field determines whether or not dates are within the week-to-date range or outside the week-to-date range, relative to the current date.

InWTD
Example	Result
Date.autoCalendar.InWTD={0}	Returns all dates from all weeks that are within the current week-to-date range. For example, if the current date was the third day of a week, dates from the first three days of every week in the date field would be included.
Date.autoCalendar.InWTD={1}	Returns all dates from all months that are outside the current month-to-date range. For example, if the current date was the third day of a week, dates from the last four days of the every week in the date field would be included.

This date & time field determines whether or not dates are from a specific week relative to the current week.

WeeksAgo
Example	Result
Date.autoCalendar.WeeksAgo={0}	Returns all dates from the current week.
Date.autoCalendar.WeeksAgo={8}	Returns all dates from eight weeks ago.

This date & time field determines whether or not dates are from a specific week relative to the current date.

WeekRelNo
Example	Result
Date.autoCalendar.WeekRelNo={0}	Returns all dates from each instance of the current week. For example, if the current week was the second week of the year, dates from the second week of every year in the date field would be included.
Date.autoCalendar.WeekRelNo={1}	Returns all dates from each instance of the previous week. For example, if the current week was the second week of the year, dates from the first week of every year in the date field would be included.

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