diff --git a/handler.ts b/handler.ts
index 6beeb3a..b5bfa41 100644
--- a/handler.ts
+++ b/handler.ts
@@ -7,6 +7,16 @@ import {
 import { renderDateTemplate } from "./lib/renderDateTemplate.ts";
 import { makeFlags } from "./makeFlags.ts";
 
+const renderSheet = (date: Date) => {
+  const year = date.getFullYear();
+  const month = date.getMonth() + 1;
+  const dayOfMonth = date.getDate();
+  const hours = date.getHours();
+  const minutes = date.getMinutes();
+  const seconds = date.getSeconds();
+  return `=DATE(${year};${month};${dayOfMonth})+TIME(${hours};${minutes};${seconds})`;
+};
+
 const makeHelpDialog = function* (
   transformOptions: Record<
     string,
@@ -70,6 +80,7 @@ export const handler = async function* (
     showHelp,
     template,
     transformOptions,
+    outputAsSheet,
     optionsLabels,
   } = makeFlags(args);
 
@@ -103,6 +114,7 @@ export const handler = async function* (
     if (outputAsEpoch) return Math.floor(date.getTime() / 1000).toString();
     if (outputAsJSON) return date.toJSON();
     if (outputAsUTC) return date.toUTCString();
+    if (outputAsSheet) return renderSheet(date);
     return date.toLocaleString(local, {
       dateStyle: toDateStyle(dateStyle),
       timeStyle: toTimeStyle(timeStyle),
diff --git a/makeFlags.ts b/makeFlags.ts
index d8443ed..7da1418 100644
--- a/makeFlags.ts
+++ b/makeFlags.ts
@@ -22,6 +22,7 @@ export function makeFlags(args: string[]) {
   let outputAsEpochMS = false;
   let outputAsJSON = false;
   let outputAsUTC = false;
+  let outputAsSheet = false;
   let stdinReadable = false;
   let showHelp = false;
   let template: string | undefined;
@@ -37,6 +38,7 @@ export function makeFlags(args: string[]) {
     '--local': (nextArgument) => { local = nextArgument(); },
     '--template': (nextArgument) => { template = nextArgument(); },
     '--json': () => { outputAsJSON = true; },
+    '--sheet': () => { outputAsSheet = true; },
     '--utc': () => { outputAsUTC = true; },
     '--epoch': () => { outputAsEpoch = true; },
     '--epoch-ms': () => { outputAsEpochMS = true; },
@@ -99,6 +101,7 @@ export function makeFlags(args: string[]) {
     outputAsEpochMS,
     outputAsJSON,
     outputAsUTC,
+    outputAsSheet,
     stdinReadable,
     showHelp,
     template,