Hi @jefrii
You can try to split the targeted audience based on the Country field in your Target Schema and then Reccurring delivery for each timezone's audience and use the same Delivery Template HTML Code for all the Deliveries in the same Workflow.
Sample Workflow would be as shown below
Also, Please select the timezone required in the Reccuring Delivery by Opening it and go to Advanced Tab and then select the required Time zone as shown below:
Regards,
Pravallika.