Date / Timestamp and Timezone issue with Sequelize

Help me!
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3

I’m using Postgres 10.5 and forest-express-sequelize 7.11.3.

    "axios": "^0.21.1",
    "body-parser": "1.19.0",
    "chalk": "~1.1.3",
    "cookie-parser": "1.4.4",
    "cors": "2.8.5",
    "debug": "~4.0.1",
    "dotenv": "~6.1.0",
    "express": "~4.17.1",
    "express-jwt": "6.0.0",
    "forest-express-sequelize": "7.11.3",
    "morgan": "1.9.1",
    "pg": "~8.2.2",
    "require-all": "^3.0.0",
    "sequelize": "~5.15.1",
    "uuidv4": "^6.2.10"

Well, when I tried to store let’s say: 1/1/2021 16:00 (french hour) it would save it in the DB as:
1/1/2021 14:00 which is supposed to be correct as we want UTC. But on my dashboard, it would appear as 1/1/2021 14:00 and not 1/1/2021 16:00.

Now I added '+02:00', it is saved in the DB as 1/1/2021 16:00 and the conversion on the dashboard is correct based on the timezone selected.