<Tr> <Td> 6 </Td> <Td> Aashin (আশ্বিন) </Td> <Td> Shorot (শরৎ) </Td> <Td> 30 </Td> <Td> September - October </Td> </Tr> <Tr> <Td> 7 </Td> <Td> Kartik (কার্তিক) </Td> <Td> Hemonto (হেমন্ত) </Td> <Td> 30 </Td> <Td> October - November </Td> </Tr> <Tr> <Td> 8 </Td> <Td> Ogrohayon (অগ্রহায়ণ) </Td> <Td> Hemonto (হেমন্ত) </Td> <Td> 30 </Td> <Td> November - December </Td> </Tr> <Tr> <Td> 9 </Td> <Td> Poush (পৌষ) </Td> <Td> Sheet (শীত) </Td> <Td> 30 </Td> <Td> December - January </Td> </Tr>

Who decided how many days are in each month