* Rosh Hashanah (Jewish)
* Yom Kippur (Jewish)
* Dussehra (Hindu)
* Sukkot (Jewish)
* Diwali (Hindu)
* Birth of Bahá'u'lláh (Baha'i)
* Sangha Day (Buddhist)
* Maha Shivaratri (Hindu)
* Naw- Rúz (Baha'i)
* Holi (Hindu)
* Ram Navami (Hindu)
* Beginning of Ramadan (Islamic)
* Theravada (Buddhist)
* Laitlat Ul Qadr (Islamic)
* Eid al-Fitr (end of Ramadan) (Islamic)
* Vesak (Buddhist)
* Shavuot (Jewish)
14 Del. Admin. Code § 615-2.0
23 DE Reg. 1017 (06/01/20)
25 DE Reg. 699 (1/1/2022) (final)