Join Dennis Taylor for an in-depth discussion in this video Calculating week numbers with WEEKNUM and ISOWEEKNUM, part of Excel 2013: Working with Dates and Times.
…In this worksheet called WEEKNUM and ISOWEEKNUM, we'd like to…know which week of the year a particular date occurs in.…And so we've got some dates in column A.…Notice what I've done here is put in the first few days of the year,…the first eight days of the year, and then other selected dates throughout the year.…And the weekday function is being used in column…B to indicate which day of the week this is.…Let's see how weeknum works, first of all.…Equal weeknum left parenthesis.…Here's the date in question.…
First week of the year.…Double click and we see Wednesday, Thursday…and Friday, first week of the year.…Saturday, first week of the year, but Sunday in the second week.…So, these are consecutive dates, the first few of them here.…And we see the other dates throughout the year there, too.…Now, in column D, we see isoweeknum.…ISO refers to International Organization for Standardization,…and it's widely used in government circles.…The weak number we get here will vary from time…to time, although much of the time it will be the…
- Understanding how Excel records and stores dates and times
- Looking at standard date and time entry options and acceptable alternatives
- Using the TODAY and NOW functions
- Customizing date formats
- Using keyboard shortcuts
- Formatting time for hours over 24
- Calculating differences across dates and times
- Calculating the day of the week
- Working with holidays
- Validating dates
- Converting formatted dates to usable data
Skill Level Intermediate
1. The Excel Date and Time Systems
2. Creating Date and Time Entries
Instant date and time entry1m 28s
3. Date and Time Formatting
4. Date and Time Functions
5. Calculating with Dates and Times
6. Using Dates and Times with Excel Commands
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