Kalender

The Most Comprehensive 2026 Calendar in Indonesia. Find upcoming national holidays in Indonesia and start planning how to use your annual leave.

This app is a comprehensive calendar containing various calendar systems in Indonesia, aiming to simplify your long-term planning for the new year.

Gregorian Calendar:

This Indonesian Calendar app includes the Gregorian Calendar, which refers to the Julian and Gregorian calendars. Date and month calculations use the Roman or Julian calendar.

The Gregorian or Shamsiah calendar is based on the Earth's orbit around the sun. The Earth takes 365 1/4 days, while a year in the Gregorian calendar is 365 days.

Islamic Hijri Calendar:

This Calendar app includes the Islamic Hijri Calendar, a complete Islamic calendar system. The Hijri Calendar is also called the Qomariyah calendar because its calendar is based on the moon.

The Hijiri calendar is typically used by Muslims to determine the dates of major celebrations, such as Ramadan and Eid al-Fitr. This calendar was officially adopted by Muslims after the death of the Prophet Muhammad (peace be upon him). Its use was officially established during the reign of Caliph Umar ibn Khattab.

Javanese Calendar:

This calendar application features the Javanese calendar system, a calendar system previously used by the Mataram Sultanate and various other kingdoms. This Javanese calendar has unique characteristics that set it apart from others.

The Javanese calendar has two cycles: a weekly cycle consisting of seven days (Monday through Sunday) and a pancawara week cycle consisting of five market days: Legi, Pahing, Pon, Wage, and Kliwon.

Chinese Calendar:

This Indonesian calendar application features the Chinese calendar system, a calendar that uses a lunar-solar system. Calendar-making has been known in ancient Chinese culture and knowledge for thousands of years.

This Chinese calendar is known as the lunar calendar, yin li, or farmer's calendar (nong liek) because it is intended to predict seasonal changes that occur in the earth's cycles. This practice aims to enable humans to understand current and future natural phenomena.

Fertility Calendar:

This calendar application includes a fertility calendar system, whereby mothers should use the fertile period calendar as a guide for sexual intercourse. If you want to conceive quickly, you should engage in sexual intercourse according to the fertile period calendar, especially on the day of ovulation.

The fertility calendar will calculate your fertile period using a fertility calculator, which can help you in your efforts to conceive. Having intercourse during the fertile period will facilitate the fertilization process between sperm and egg.

Pregnancy Calendar:

This comprehensive calendar application includes a pregnancy calendar system, where you can determine your current gestational age using the online pregnancy calculator on this page.

The calculation is based on the last menstrual period (LMP). Therefore, it's important to know your previous menstrual period by regularly recording your period and cycle each month.

National Holidays and Joint Leave:

This Indonesian Calendar application lists Indonesian national holidays and joint leave, which are regulated annually by Joint Ministerial Decrees. Each year, holiday dates are determined by various ministers, departments, and decrees.

This 2025 Indonesian Calendar application is very comprehensive and up-to-date, with information on national holidays, joint leave, and other important events related to Indonesia.