feat(datetime): introduce utc and local shorthands (#158)

src/datetime.ts

@@ -105,6 +105,34 @@ export class DateTime implements DateTimeLike {
     return new DateTime(numeric);
   }
 
+  /**
+   * This method is shorthand for `DateTime.create` with `utc` set to `false`.
+   */
+  public static local(
+    year: number,
+    month: number,
+    day: number,
+    hour: number,
+    minute: number,
+    second: number,
+  ): DateTime {
+    return DateTime.create(year, month, day, hour, minute, second, false);
+  }
+
+  /**
+   * This method is shorthand for `DateTime.create` with `utc` set to `true`.
+   */
+  public static utc(
+    year: number,
+    month: number,
+    day: number,
+    hour: number,
+    minute: number,
+    second: number,
+  ): DateTime {
+    return DateTime.create(year, month, day, hour, minute, second, true);
+  }
+
   /**
    * Creates a new DateTime object from the given plain object.
    */

tests/datetime.spec.ts

@@ -43,6 +43,22 @@ describe(DateTime, () => {
     });
   });
 
+  describe('utc', () => {
+    test('should create utc object from', () => {
+      const datetime = DateTime.utc(2005, 9, 4, 9, 1, 2);
+
+      expect(datetime.utc).toBeTruthy();
+    });
+  });
+
+  describe('local', () => {
+    test('should create local object from', () => {
+      const datetime = DateTime.local(2005, 9, 4, 9, 1, 2);
+
+      expect(datetime.utc).toBeFalsy();
+    });
+  });
+
   describe('fromObject', () => {
     test.each([
       {