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Royal Ploughing Ceremony

    Royal Ploughing Ceremony (Thai: วันพืชมงคล) is observed in Thailand on variable date in May. It focuses on the Royal Ploughing Ceremony and is listed in Thailand’s holiday calendar as a government-office holiday.1,2

    History

    The ceremony is an ancient royal rite connected with rice cultivation, seeds and prayers for agricultural abundance.2 The holiday links the date with Thailand’s public memory and with royal, national or governmental institutions.1,2

    The ceremony reflects the long importance of rice cultivation in Thai society. Its symbolic focus on seeds, soil, rainfall and abundance connects royal ritual with the agricultural cycle, even though most people encounter it today through news coverage or official announcements.2

    Customs

    Observances may include official ceremonies, merit-making, tribute-paying activities, exhibitions or public service events. The exact programme depends on the character of the holiday and on announcements by state or royal institutions for the relevant year.2

    The ceremony is not simply a public day off. It is a formal royal rite, and the date may be announced for a particular year. People interested in attending or watching related events should check official schedules, because access, timing and ceremonial details can change.2

    Good to know

    In Thailand’s holiday system this day is especially important because it is often treated differently from nationwide public holidays. It is commonly relevant for government offices, while banks and private employers may follow separate calendars.1,2

    Legal status

    Thailand’s holiday calendar lists the day as a government-office holiday. Where the date falls on a weekend, only the substitute holidays shown in the site calendar are moved to the following Monday.1

    Sources

    1. List of public holidays in Thailand (ASEAN-Japan Centre)
    2. Royal Ploughing Ceremony 2026 (Royal Thai Government)