The biblical Hebrew calendar for 2023-2024 follows the lunar-based system that has been in use for thousands of years. It features 12 months, with each month alternating between 29 and 30 days, adding up to a total of 354 or 355 days in a year. Special festivals and holidays, such as Rosh Hashanah and Passover, are observed according to this calendar. It remains an important cultural and religious reference for Jewish communities worldwide.