Muslim Space follows the Fiqh Council of North America in determining dates of the Islamic Council. They have issued the following information with regards to Ramadan 1442/2021.
Ramadan 1442 AH:
The Astronomical New Moon is on Monday, April 12, 2021 at 2:33 Universal Time. On that day, everywhere in North and South America at sunset the elongation is at least 8 degrees and moon is at least 5 degrees above the sun. Therefore, first day of Ramadan 1442 is on Tuesday, April 13, 2021, insha’Allah. Tarawih prayer will start on Monday night April 12 (if applicable), InshAllah.
Eid ul-Fitr 1441 AH:
The Astronomical New Moon is on Tuesday, May 11, 2021 at 19:02 Universal Time. On that day there is no place on earth where at sunset the elongation is 8 degrees and moon is 5 degrees above the sun. Therefore Shawwal 1442 cannot start the next day. Hence first day of Shawwal is on Thursday, May 13, 2021, insha’Allah. Eid-ul-Fitr will be on Thursday May 13, 2021, InshAllah.