For many years the need for calendar reform had been understood but Kublai Khan saw political benefits in bringing in a new calendar at this time to emphasise how the new regime was replacing the old.
Para sa maraming taon ang kailangan para sa kalendaryo pabutihin had been understood ngunit Kublai Khan nakakita pampulitika benepisyo sa nagdadala sa isang bagong kalendaryo sa oras na ito sa emphasise kung paano ang bagong rehimen ay palitan ang old.