diff --git a/README.md b/README.md
index 74aaec7d..53dfcbba 100644
--- a/README.md
+++ b/README.md
@@ -151,7 +151,11 @@ export interface IUtils<TDate> {
   startOfWeek(value: TDate): TDate;
   endOfWeek(value: TDate): TDate;
 
+  addSeconds(value: TDate, count: number): TDate;
+  addMinutes(value: TDate, count: number): TDate;
+  addHours(value: TDate, count: number): TDate;
   addDays(value: TDate, count: number): TDate;
+  addWeeks(value: TDate, count: number): TDate;
   addMonths(value: TDate, count: number): TDate;
 
   startOfDay(value: TDate): TDate;
diff --git a/__tests__/calculations.test.ts b/__tests__/calculations.test.ts
index 50e32b1e..e1f7f584 100644
--- a/__tests__/calculations.test.ts
+++ b/__tests__/calculations.test.ts
@@ -24,8 +24,29 @@ describe("DateTime calculations", () => {
     expect(utils.isValid("2018-42-30T11:60:00.000Z")).toBeFalsy();
   });
 
+  utilsTest("addSeconds", (date, utils, lib) => {
+    expect(utils.format(utils.addSeconds(date, 65), "seconds")).toBe("05");
+    expect(utils.format(utils.addSeconds(date, -5), "seconds")).toBe("55");
+  });
+
+  utilsTest("addMinutes", (date, utils, lib) => {
+    expect(utils.format(utils.addMinutes(date, 65), "minutes")).toBe("49");
+    expect(utils.format(utils.addMinutes(date, -5), "minutes")).toBe("39");
+  });
+
+  utilsTest("addHours", (date, utils, lib) => {
+    expect(utils.format(utils.addHours(date, 65), "hours24h")).toBe("04");
+    expect(utils.format(utils.addHours(date, -5), "hours24h")).toBe("06");
+  });
+
   utilsTest("addDays", (date, utils, lib) => {
     expect(utils.format(utils.addDays(date, 1), "dayOfMonth")).toBe("31");
+    expect(utils.format(utils.addDays(date, -1), "dayOfMonth")).toBe("29");
+  });
+
+  utilsTest("addWeeks", (date, utils, lib) => {
+    expect(utils.getDiff(utils.addWeeks(date, 1), date, "weeks")).toBe(1);
+    expect(utils.getDiff(utils.addWeeks(date, -1), date, "weeks")).toBe(-1);
   });
 
   utilsTest("addMonths", (date, utils, lib) => {
diff --git a/__tests__/date-fns-jalali.test.ts b/__tests__/date-fns-jalali.test.ts
index f4e45e86..8be38710 100644
--- a/__tests__/date-fns-jalali.test.ts
+++ b/__tests__/date-fns-jalali.test.ts
@@ -32,8 +32,29 @@ describe("DateFnsJalali", () => {
       expect(utils.isValid("2018-42-30T11:60:00.000Z")).toBeFalsy();
     });
 
+    it("DateFnsJalali -- addSeconds", () => {
+      expect(utils.format(utils.addSeconds(date, 65), "seconds")).toBe("05");
+      expect(utils.format(utils.addSeconds(date, -5), "seconds")).toBe("55");
+    });
+
+    it("DateFnsJalali -- addMinutes", () => {
+      expect(utils.format(utils.addMinutes(date, 65), "minutes")).toBe("49");
+      expect(utils.format(utils.addMinutes(date, -5), "minutes")).toBe("39");
+    });
+
+    it("DateFnsJalali -- addHours", () => {
+      expect(utils.format(utils.addHours(date, 65), "hours24h")).toBe("04");
+      expect(utils.format(utils.addHours(date, -5), "hours24h")).toBe("06");
+    });
+
     it("DateFnsJalali -- addDays", () => {
       expect(utils.format(utils.addDays(date, 1), "dayOfMonth")).toBe("9");
+      expect(utils.format(utils.addDays(date, -1), "dayOfMonth")).toBe("7");
+    });
+
+    it("DateFnsJalali -- addWeeks", () => {
+      expect(utils.getDiff(utils.addWeeks(date, 1), date, "weeks")).toBe(1);
+      expect(utils.getDiff(utils.addWeeks(date, -1), date, "weeks")).toBe(-1);
     });
 
     it("DateFnsJalali -- addMonths", () => {
diff --git a/packages/core/IUtils.d.ts b/packages/core/IUtils.d.ts
index b5f5a13c..7bcc7103 100644
--- a/packages/core/IUtils.d.ts
+++ b/packages/core/IUtils.d.ts
@@ -114,7 +114,11 @@ export interface IUtils<TDate> {
   startOfWeek(value: TDate): TDate;
   endOfWeek(value: TDate): TDate;
 
+  addSeconds(value: TDate, count: number): TDate;
+  addMinutes(value: TDate, count: number): TDate;
+  addHours(value: TDate, count: number): TDate;
   addDays(value: TDate, count: number): TDate;
+  addWeeks(value: TDate, count: number): TDate;
   addMonths(value: TDate, count: number): TDate;
 
   startOfDay(value: TDate): TDate;
diff --git a/packages/date-fns-jalali/src/date-fns-jalali-utils.ts b/packages/date-fns-jalali/src/date-fns-jalali-utils.ts
index df6665ae..28cf7c1e 100644
--- a/packages/date-fns-jalali/src/date-fns-jalali-utils.ts
+++ b/packages/date-fns-jalali/src/date-fns-jalali-utils.ts
@@ -1,4 +1,8 @@
+import addSeconds from "date-fns-jalali/addSeconds";
+import addMinutes from "date-fns-jalali/addMinutes";
+import addHours from "date-fns-jalali/addHours";
 import addDays from "date-fns-jalali/addDays";
+import addWeeks from "date-fns-jalali/addWeeks";
 import addMonths from "date-fns-jalali/addMonths";
 import addYears from "date-fns-jalali/addYears";
 import differenceInYears from "date-fns/differenceInYears";
@@ -137,10 +141,26 @@ export default class DateFnsJalaliUtils implements IUtils<Date> {
     return this.locale?.code || "fa-jalali-IR";
   }
 
+  public addSeconds(value: Date, count: number) {
+    return addSeconds(value, count);
+  }
+
+  public addMinutes(value: Date, count: number) {
+    return addMinutes(value, count);
+  }
+
+  public addHours(value: Date, count: number) {
+    return addHours(value, count);
+  }
+
   public addDays(value: Date, count: number) {
     return addDays(value, count);
   }
 
+  public addWeeks(value: Date, count: number) {
+    return addWeeks(value, count);
+  }
+
   public addMonths(value: Date, count: number) {
     return addMonths(value, count);
   }
diff --git a/packages/date-fns/src/date-fns-utils.ts b/packages/date-fns/src/date-fns-utils.ts
index eaceb07f..ac2fc8aa 100644
--- a/packages/date-fns/src/date-fns-utils.ts
+++ b/packages/date-fns/src/date-fns-utils.ts
@@ -1,4 +1,8 @@
 import addDays from "date-fns/addDays";
+import addSeconds from "date-fns/addSeconds";
+import addMinutes from "date-fns/addMinutes";
+import addHours from "date-fns/addHours";
+import addWeeks from "date-fns/addWeeks";
 import addMonths from "date-fns/addMonths";
 import addYears from "date-fns/addYears";
 import differenceInYears from "date-fns/differenceInYears";
@@ -122,10 +126,26 @@ export default class DateFnsUtils implements IUtils<Date> {
     return this.locale?.code || "en-US";
   }
 
+  public addSeconds(value: Date, count: number) {
+    return addSeconds(value, count);
+  }
+
+  public addMinutes(value: Date, count: number) {
+    return addMinutes(value, count);
+  }
+
+  public addHours(value: Date, count: number) {
+    return addHours(value, count);
+  }
+
   public addDays(value: Date, count: number) {
     return addDays(value, count);
   }
 
+  public addWeeks(value: Date, count: number) {
+    return addWeeks(value, count);
+  }
+
   public addMonths(value: Date, count: number) {
     return addMonths(value, count);
   }
diff --git a/packages/dayjs/src/dayjs-utils.ts b/packages/dayjs/src/dayjs-utils.ts
index ef786a68..d297f3b2 100644
--- a/packages/dayjs/src/dayjs-utils.ts
+++ b/packages/dayjs/src/dayjs-utils.ts
@@ -181,10 +181,30 @@ export default class DayjsUtils implements IUtils<defaultDayjs.Dayjs> {
     return date.hour();
   }
 
+  public addSeconds(date: Dayjs, count: number) {
+    return count < 0
+      ? date.subtract(Math.abs(count), "second")
+      : date.add(count, "second");
+  }
+
+  public addMinutes(date: Dayjs, count: number) {
+    return count < 0
+      ? date.subtract(Math.abs(count), "minute")
+      : date.add(count, "minute");
+  }
+
+  public addHours(date: Dayjs, count: number) {
+    return count < 0 ? date.subtract(Math.abs(count), "hour") : date.add(count, "hour");
+  }
+
   public addDays(date: Dayjs, count: number) {
     return count < 0 ? date.subtract(Math.abs(count), "day") : date.add(count, "day");
   }
 
+  public addWeeks(date: Dayjs, count: number) {
+    return count < 0 ? date.subtract(Math.abs(count), "week") : date.add(count, "week");
+  }
+
   public addMonths(date: Dayjs, count: number) {
     return count < 0 ? date.subtract(Math.abs(count), "month") : date.add(count, "month");
   }
diff --git a/packages/luxon/src/luxon-utils.ts b/packages/luxon/src/luxon-utils.ts
index 2f231c17..7416f714 100644
--- a/packages/luxon/src/luxon-utils.ts
+++ b/packages/luxon/src/luxon-utils.ts
@@ -97,10 +97,34 @@ export default class LuxonUtils implements IUtils<DateTime> {
     return this.locale || Settings.defaultLocale;
   }
 
+  public addSeconds(date: DateTime, count: number) {
+    return count < 0
+      ? date.minus({ seconds: Math.abs(count) })
+      : date.plus({ seconds: count });
+  }
+
+  public addMinutes(date: DateTime, count: number) {
+    return count < 0
+      ? date.minus({ minutes: Math.abs(count) })
+      : date.plus({ minutes: count });
+  }
+
+  public addHours(date: DateTime, count: number) {
+    return count < 0
+      ? date.minus({ hours: Math.abs(count) })
+      : date.plus({ hours: count });
+  }
+
   public addDays(date: DateTime, count: number) {
     return count < 0 ? date.minus({ days: Math.abs(count) }) : date.plus({ days: count });
   }
 
+  public addWeeks(date: DateTime, count: number) {
+    return count < 0
+      ? date.minus({ weeks: Math.abs(count) })
+      : date.plus({ weeks: count });
+  }
+
   public addMonths(date: DateTime, count: number) {
     return count < 0
       ? date.minus({ months: Math.abs(count) })
diff --git a/packages/moment/src/moment-utils.ts b/packages/moment/src/moment-utils.ts
index 53cc7430..1fee7a8b 100644
--- a/packages/moment/src/moment-utils.ts
+++ b/packages/moment/src/moment-utils.ts
@@ -166,12 +166,36 @@ export default class MomentUtils implements IUtils<defaultMoment.Moment> {
     return date.get("hours");
   }
 
+  public addSeconds(date: Moment, count: number) {
+    return count < 0
+      ? date.clone().subtract(Math.abs(count), "seconds")
+      : date.clone().add(count, "seconds");
+  }
+
+  public addMinutes(date: Moment, count: number) {
+    return count < 0
+      ? date.clone().subtract(Math.abs(count), "minutes")
+      : date.clone().add(count, "minutes");
+  }
+
+  public addHours(date: Moment, count: number) {
+    return count < 0
+      ? date.clone().subtract(Math.abs(count), "hours")
+      : date.clone().add(count, "hours");
+  }
+
   public addDays(date: Moment, count: number) {
     return count < 0
       ? date.clone().subtract(Math.abs(count), "days")
       : date.clone().add(count, "days");
   }
 
+  public addWeeks(date: Moment, count: number) {
+    return count < 0
+      ? date.clone().subtract(Math.abs(count), "weeks")
+      : date.clone().add(count, "weeks");
+  }
+
   public addMonths(date: Moment, count: number) {
     return count < 0
       ? date.clone().subtract(Math.abs(count), "months")