diff --git a/src/to-date-string.ts b/src/to-date-string.ts
new file mode 100644
index 0000000..bc09d6f
--- /dev/null
+++ b/src/to-date-string.ts
@@ -0,0 +1,112 @@
+/**
+ * @returns 'DD.MM.YYYY'
+ */
+export const toDateString = (value: number): string => {
+  const date = new Date(value);
+
+  const options: Intl.DateTimeFormatOptions = {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+  };
+
+  return Intl.DateTimeFormat('ru', options).format(date);
+};
+
+/**
+ * @returns 'YYYY-MM-DD'
+ */
+export const toISODateString = (value: number): string => {
+  const date = new Date(value);
+
+  const options: Intl.DateTimeFormatOptions = {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+  };
+
+  return Intl.DateTimeFormat('en-ca', options).format(date);
+};
+
+/**
+ * @returns 'DD mouth YYYY'
+ */
+export const toDateLongString = (value: number): string => {
+  const date = new Date(value);
+
+  const options: Intl.DateTimeFormatOptions = {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+  };
+
+  return Intl.DateTimeFormat('ru', options).format(date);
+};
+
+/**
+ * @returns 'YYYY-MM-DDThh:mm:ss' or 'YYYY-MM-DDThh:mm'
+ */
+export const toISOString = (value: number, withSeconds: boolean = true): string => {
+  const date = new Date(value);
+
+  const dateOptions: Intl.DateTimeFormatOptions = {
+    year: 'numeric',
+    month: 'numeric',
+    day: 'numeric',
+  };
+
+  const formattedDate = new Intl.DateTimeFormat('en-ca', dateOptions).format(date);
+
+  const timeOptions: Intl.DateTimeFormatOptions = {
+    hour: 'numeric',
+    minute: 'numeric',
+    second: withSeconds ? 'numeric' : undefined,
+    hourCycle: 'h24',
+  };
+
+  const formattedTime = new Intl.DateTimeFormat('en-ca', timeOptions).format(date);
+
+  return `${formattedDate}T${formattedTime}`;
+};
+
+/**
+ * @returns 'DD.MM.YYYY hh:mm:ss' or 'DD.MM.YYYY hh:mm'
+ */
+export const toDateTimeString = (value: number, withSeconds: boolean = true): string => {
+  const date = new Date(value);
+
+  const dateOptions: Intl.DateTimeFormatOptions = {
+    year: 'numeric',
+    month: 'numeric',
+    day: 'numeric',
+  };
+
+  const formattedDate = new Intl.DateTimeFormat('ru', dateOptions).format(date);
+
+  const timeOptions: Intl.DateTimeFormatOptions = {
+    hour: 'numeric',
+    minute: 'numeric',
+    second: withSeconds ? 'numeric' : undefined,
+    hourCycle: 'h24',
+  };
+
+  const formattedTime = new Intl.DateTimeFormat('ru', timeOptions).format(date);
+
+  return `${formattedDate} ${formattedTime}`;
+};
+
+/**
+ * @returns 'hh:mm:ss' or 'hh:mm'
+ */
+export const toTimeString = (value: number, withSeconds: boolean = true): string => {
+  const date = new Date(value);
+
+  const options: Intl.DateTimeFormatOptions = {
+    hour: 'numeric',
+    minute: 'numeric',
+    second: withSeconds ? 'numeric' : undefined,
+    hourCycle: 'h24',
+  };
+
+  return new Intl.DateTimeFormat('ru', options).format(date);
+};