Moed comes from the root yod-ayin-dalet, which means to designate, to appoint, to fix a meeting. A moed is not a holiday in the modern sense — not a day off, not a cultural commemoration, not a season the calendar happens to mark. A moed is an appointment, fixed by HaShem, on which He has agreed to meet His people. The feasts of Israel are moedim. They are not Jewish customs Israel invented. They are commanded meetings HaShem set on His own calendar before Israel had a calendar.

Leviticus 23:2 opens with the formal declaration: "Speak to the children of Israel and say to them, The moedim of YHWH which you shall proclaim as kadosh convocations, even these are My moedim." The possessive matters. They are not Israel's appointments. They are His. The KJV, ESV, NASB, and NIV all translate moed as "feast" or "appointed time," and English readers move past them as if they were religious holidays. The Hebrew is naming a kind of obligation no English word carries: the day the King has cleared on His calendar to meet you. Missing it is not a cultural lapse. It is a missed appointment with the One who set the time.

The first occurrence of moed in the Tanakh is Genesis 1:14, on the fourth day of creation: HaShem made the sun and moon for signs, for moedim, for days and years. The appointed times were built into the structure of creation itself, before there was a Torah to command them, before there was an Israel to keep them. The feasts are not an addition to the calendar. They are the calendar. Shavuot, Pesach, Sukkot, Yom Kippur, Yom Teruah, Yom HaBikkurim — each one is a moed, fixed in advance, kept by HaShem, waiting for the people to show up. When the Brit Chadashah opens with the disciples in Jerusalem on the day of Shavuot, they were not improvising. They were keeping the appointment.