February 18, 2026 | 09:40 am

TEMPO.CO, Jakarta - Muslims in Turkey, Oman, Singapore, and Australia will begin fasting for Ramadan on Thursday, February 19, 2026, after authorities in the four countries confirmed the start of the holy month based on astronomical calculations.
As reported by Anadolu Agency, Safi Arpagus, head of Turkey's Presidency of Religious Affairs, said the first Tarawih prayers (special night prayers during Ramadan) will be held on Wednesday night, and the first day of fasting will fall on Thursday.
Oman also confirmed that Muslims in the country will begin fasting for Ramadan on Thursday. Authorities in the Gulf state said Wednesday will be the last day of Sha'ban, the eighth month of the Islamic lunar calendar, without the need for public moon sightings.
Assistant Grand Mufti Kahlan bin Nabhan al-Kharousi said the decision was based on long-established religious and scientific principles.
Muslims in Singapore will also begin fasting for the holy month of Ramadan on February 19, according to a statement from the Islamic Religious Council of Singapore (Muis).
Mufti Nazirudin Mohd Nasir said astronomical calculations indicate that the new moon of Ramadan will not be visible at sunset on February 17. This means the last day of Sha'ban will fall on February 18, and the beginning of Ramadan will be celebrated on February 19.
Australia also confirmed that the Muslim fasting month will begin on Thursday, based on astronomical calculations. This decision was approved by the Australian Fatwa Council after consultations led by Grand Mufti Ibrahim Abu Mohamad.
Ramadan is the ninth month of the Islamic lunar calendar and begins with the sighting of the crescent moon.
While some countries rely on local moon sightings, others are increasingly using astronomical calculations to determine the start of the month, especially when scientific data confirms the impossibility of visual observation.
Read: Why Indonesia Set Ramadan to Begin on February 19
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