The Hindu calendar is unique in its structure and names for its months. There are twelve months in a Hindu lunar calendar, with each month consisting of either 29 or 30 days. Some popular synonyms for the Hindu calendar month include "Maasa," "Paksha," and "Tithi." Maasa refers to a month or time period. Paksha is another word for a fortnight, which is a two-week period. Tithi refers to the lunar day, which is a specific date in a lunar month. Other synonyms for a Hindu calendar month include "Chandramana Panka" and "Purnimanta Maasa." Regardless of the name used, the Hindu calendar remains an important tool in timekeeping and religious observances for believers.