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diff --git a/node_modules/date-fns/esm/previousDay/index.js b/node_modules/date-fns/esm/previousDay/index.js
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+import requiredArgs from "../_lib/requiredArgs/index.js";
+import getDay from "../getDay/index.js";
+import subDays from "../subDays/index.js";
+/**
+ * @name previousDay
+ * @category Weekday Helpers
+ * @summary When is the previous day of the week?
+ *
+ * @description
+ * When is the previous day of the week? 0-6 the day of the week, 0 represents Sunday.
+ *
+ * @param {Date | number} date - the date to check
+ * @param {number} day - day of the week
+ * @returns {Date} - the date is the previous day of week
+ * @throws {TypeError} - 2 arguments required
+ *
+ * @example
+ * // When is the previous Monday before Mar, 20, 2020?
+ * const result = previousDay(new Date(2020, 2, 20), 1)
+ * //=> Mon Mar 16 2020 00:00:00
+ *
+ * @example
+ * // When is the previous Tuesday before Mar, 21, 2020?
+ * const result = previousDay(new Date(2020, 2, 21), 2)
+ * //=> Tue Mar 17 2020 00:00:00
+ */
+export default function previousDay(date, day) {
+  requiredArgs(2, arguments);
+  var delta = getDay(date) - day;
+  if (delta <= 0) delta += 7;
+  return subDays(date, delta);
+}
+\ No newline at end of file