Based on the search results, it is not clear which Eid is being referred to as "today." However, here is some information about the two Eids celebrated in Islam:

• Eid al-Fitr: This is the first day after the month of Ramadan, during which Muslims fast from dawn until sunset. It is a time for celebration and spending time with family and friends. Eid al-Fitr is celebrated by saying "Eid Mubarak" and exchanging gifts and sweets. The date of Eid al-Fitr varies from year to year, but it is usually in the summer.

• Eid al-Adha: This is one of the two blessed Eids celebrated by Muslims, and it commemorates the sacrifice made by Prophet Ibrahim (AS). It is also known as the Feast of Sacrifice and lasts for three to four days. Muslims typically dress up in their finest clothes and attend special prayers held at different major mosques and Islamic centers. The date of Eid al-Adha also varies from year to year, but it is usually in the fall.

It is important to note that the dates of Islamic holidays are difficult to determine, as they are based on the lunar calendar and rely on actual Moon sightings. Therefore, the dates of Eid are usually up for discussion until the Waxing Crescent Moon has been spotted in the evening sky following the New Moon phase.