![]() Therefore Calc tries to do this for us: if we enter 25Dec07, Calc recognises that this is a date, converts it to the date-time serial number, and sets the format to display as a date. ![]() It would be extremely inconvenient if, in order to enter a date in a cell, we had to work out the date-time serial number, enter it and then change the display format. Times are represented as a fraction of a day - for example 0.5 is half a day, or 12 hours, or 12 noon 0.25 is a quarter of a day, or 6 am. The default (normal) starting date is 30 December 1899 choose Tools - Options - Calc - Calculate to change this to 1 January 1904 for Apple software, or 1 January 1900 for old StarCalc 1.0 software if necessary. ![]() The date-time serial number is simply the number of days that have passed since a set starting date. We may enter 39441 in a cell, and then (selecting Format - Cells.) choose a date format to display the number as a date.Īlthough a number representing a date / time is the same as any other number (except that we choose to display it as a date or time) it may be helpful to use the term 'date-time serial number'. For example the number 39441 may represent the date 25Dec07. In Calc, dates and times are represented by numbers. Returns the number of years including fraction between two dates. Returns the date of Easter Sunday in a given year. Returns the number of years between two dates. ![]() Returns the number of months between two dates. Returns the non-ISO week number of a given date. Returns the ISO week number of a given date. Returns the number of weeks in the year of the given date. Returns the number of weeks between two dates. Returns the number of days in the year of the given date. Returns the number of days in the month of the given date. Returns the number of days between two dates, using the 360 day year. Returns the number of days between two dates. Returns the number of workdays between two dates. Returns a date a given number of workdays away. Returns the date of the last day of a month. Returns a date-time serial number from a text time. Returns the time, given hours, minutes and seconds. Returns a date-time serial number from a text date. Returns the date, given the year, month and day of the month. Reference the community FAQ to learn more about the community.Returns the day of the week for a given date. Please get in touch with us at for further assistance. Request access to the private WebFOCUS User Group (login required) to network with fellow members.įormer myibi community members should have received an email on 8/3/22 to activate their user accounts to join the community.Select Products from the top navigation bar, scroll, and then select the TIBCO WebFOCUS product page to view product overview, articles, and discussions.From the Home page, select Predict: WebFOCUS to view articles, questions, and trending articles.There are several TIBCO WebFOCUS resources in the community. TIBCO Community is a collaborative space for users to share knowledge and support one another in making the best use of TIBCO products and services. You'll continue to have access to this treasure trove of knowledge, for search purposes only. We value the wealth of knowledge that's been shared here over the years. Help, difference between two times? - TopicĪs of December 1, 2020, Focal Point is retired and repurposed as a reference repository.
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