DATES & WORKING DAYS · ORIGINAL EXERCISE
The departure day
Return the day of the month from the start date serial in E2.
This quest practices DAY using a fictional business dataset. Read the sheet below, then enter the interactive quest to write and check your formula.
| Shipment | Year | Month | Day | Start serial | End serial | Holiday serial |
|---|---|---|---|---|---|---|
| S-201 | 2026 | 1 | 30 | 46052 | 46066 | 46055 |
| S-202 | 2026 | 2 | 13 | 46066 | 46080 | 46062 |
| S-203 | 2026 | 3 | 5 | 46086 | 46100 | |
| S-204 | 2026 | 4 | 17 | 46129 | 46143 |
Hints to get you started
- DAY returns a calendar day, not a weekday.
- The source date is E2.
- Use DAY with the date reference.
Show the worked solution
=DAY(E2)DAY extracts the day within the month. It is different from WEEKDAY, which describes the day of the week.
Make the skill stick
After solving the task, explain what each reference does and why the formula answers the business question. Try the workbook download inside the quest to practice in your own spreadsheet app.
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