Huge date problem, makes tests fails whereas in jest they work properly about bun HOT 2 OPEN

334 |     expect(freeTime).toEqual(expected);
                           ^
error: expect(received).toEqual(expected)

  [
    [
      {
        end: "2024-06-12T09:00:00+02:00",
        start: "2024-06-12T00:00:00+02:00",
      },
      {
        end: "2024-06-12T14:00:00+02:00",
        start: "2024-06-12T12:30:00+02:00",
      },
      {
-       end: "2024-06-12T16:55:00+02:00",
-       start: "2024-06-12T14:30:00+02:00",
-     },
-     {
        end: "2024-06-13T00:00:00+02:00",
+       start: "2024-06-11T18:00:00+02:00",
-       start: "2024-06-12T17:00:00+02:00",
      }
    ],
    [
      {
        end: "2024-06-12T09:00:00+02:00",
        start: "2024-06-12T00:00:00+02:00",
      },
      {
        end: "2024-06-12T14:00:00+02:00",
        start: "2024-06-12T12:30:00+02:00",
      },
      {
-       end: "2024-06-12T17:00:00+02:00",
-       start: "2024-06-12T14:30:00+02:00",
-     },
-     {
        end: "2024-06-13T00:00:00+02:00",
+       start: "2024-06-11T17:15:00+02:00",
-       start: "2024-06-12T17:15:00+02:00",
      }
    ]
  ]

- Expected  - 10
+ Received  + 2

      at /Users/dylan/code/bun/jest-test/j.test.js:334:22
✗ Calculate free time > should calculate free time [13.56ms]

● Calculate free time › should calculate free time

    expect(received).toEqual(expected) // deep equality

    - Expected  - 10
    + Received  +  2

    @@ -7,32 +7,24 @@
          Object {
            "end": "2024-06-12T14:00:00+02:00",
            "start": "2024-06-12T12:30:00+02:00",
          },
          Object {
    -       "end": "2024-06-12T16:55:00+02:00",
    -       "start": "2024-06-12T14:30:00+02:00",
    -     },
    -     Object {
            "end": "2024-06-13T00:00:00+02:00",
    -       "start": "2024-06-12T17:00:00+02:00",
    +       "start": "2024-06-11T17:00:00+02:00",
          },
        ],
        Array [
          Object {
            "end": "2024-06-12T09:00:00+02:00",
            "start": "2024-06-12T00:00:00+02:00",
          },
          Object {
            "end": "2024-06-12T14:00:00+02:00",
            "start": "2024-06-12T12:30:00+02:00",
    -     },
    -     Object {
    -       "end": "2024-06-12T17:00:00+02:00",
    -       "start": "2024-06-12T14:30:00+02:00",
          },
          Object {
            "end": "2024-06-13T00:00:00+02:00",
    -       "start": "2024-06-12T17:15:00+02:00",
    +       "start": "2024-06-11T17:15:00+02:00",
          },
        ],
      ]

      332 |     console.log(freeTime[0].length, expected[0].length);
      333 |
    > 334 |     expect(freeTime).toEqual(expected);
          |                      ^
      335 |   });
      336 | });
      337 |

      at Object.toEqual (j.test.js:334:22)