The syntax here follows Zoho Sheet’s currently published English function help, checked October 11, 2026. Those articles do not publish a per-function introduction version, desktop/mobile support matrix, or guarantee of identical historical behavior. Zoho’s September 2026 What’s New says the Windows and macOS beta desktop apps support Excel’s native formula syntax by default for offline files. As a result, separator punctuation and behavior must be checked in the actual web or desktop editor: this tutorial shows semicolons exactly as in the official Zoho function article, and does not silently equate them with comma-delimited Excel formulas.

Zoho’s spreadsheet locale settings control date display, date interpretation, and time zone, among other items. The intended results below are calendar dates or integers; a date that displays differently after import is not necessarily a different calculated date.

Create a new sheet with these headers: A1 Event, B1 Year, C1 Month, D1 Day, E1 Event date. Enter the six data rows below. The dates shown in column E are expected date displays, not date-text strings you should paste.

In E2, enter =DATE(B2;C2;D2) using the vendor-reference punctuation and fill the formula down through E7. Then format E2:E7 as dates (for example, ISO-style YYYY-MM-DD). Depending on locale, the visible representation may differ without changing the underlying date. If CSV is easier, use the attached date-components-practice.csv for columns A:D, and build E2:E7 with DATE after import. This is important because imported ISO-looking strings are not guaranteed to be parsed as true dates.

Use the E-column date values, rather than manually typing ambiguous strings like 03/04/2024, in the formulas that follow. For a quick single-cell check independent of a dataset, nest DATE(2024;2;29) inside the function.

Enter the six numeric rows and =DATE(B2;C2;D2) in E2; then fill E2:E7. The first row has B2=2024, C2=2, D2=29 and returns the date 2024-02-29. Row E4, built from B4=2026, C4=10, D4=11, produces 2026-10-11. In a cell formatted as General/Number you may see a date serial instead; use a date format before comparing the displayed values.

Unlike simply displaying “2024-02-29” as a text string, the resulting date value can be reliably passed to WEEKDAY() or MONTH() once the workbook interprets it as a date.

Last calendar day of the month containing E2:

=DATE(YEAR(E2);MONTH(E2)+1;0)

This starts at day zero of the following month, which steps back to the final day of the current month. For E2=2024-02-29 it returns 2024-02-29; for E3=2025-01-15 it returns 2025-01-31. The technique is useful for invoice closing dates and monthly reporting. It is a calendar-month calculation, not a business-day calculation; weekend/holiday handling needs separate logic.

• Short years are ambiguous: Zoho documents the range 0–99, but not the exact century mapping on this reference page. Do not publish a century-mapping rule without a native Zoho test.
• Domain: Zoho explicitly lists a year range different from Microsoft’s Excel documentation; Excel documents 1900–9999 in its ordinary four-digit-year branch. Do not expect prehistoric/far-future dates to round-trip identically.
• Overflow is intentional: Month 0/13 and day 0/32 are not always errors; the official help documents normalization. If you want to reject invalid user input instead, validate month 1–12 and day range before using DATE.
• Negative years: Zoho documents #NUM! when the year is below zero. For other out-of-range values and non-integer coercions, native Zoho testing is still needed.
• #VALUE!: Check that B:D hold numeric components, not text such as “February” or a malformed quoted formula. #NAME! often indicates a misspelled DATE function; #REF! can follow deletion of a referenced cell.
• Locale: 03/04/2024 can be ambiguous; prefer DATE(2024;3;4) and format the resulting cell.

Excel: DATE(year,month,day) uses comma separators in its English examples and has a separately documented year-handling rule. Excel’s YEAR 0–1899 behavior is not evidence of Zoho’s shorthand behavior. Both document month/day overflow, but avoid treating edge cases as fully identical without native testing. Google Sheets/LibreOffice Calc: DATE is available in those products, but paste the formula only after checking locale separator conventions and how their date systems handle extreme years. Zoho desktop (Sept 2026 beta): new offline Excel-style formulas may not match the separator convention shown in Zoho web help.

• DATE in Zoho Sheet
• YEAR in Zoho Sheet
• MONTH in Zoho Sheet
• DAY in Zoho Sheet
• WEEKDAY in Zoho Sheet
• IF in Zoho Sheet

• Zoho Sheet — function documentation
• spreadsheet locale and calculation settings

Verification status: Official documentation checked; example outcomes were independently reasoned or arithmetically checked where applicable. Not executed in Zoho Sheet.

• No genuine Zoho Sheet screenshots are included; this guide does not use mock application images.