January 21. On this date in 1951, Shoghi Effendi wrote "The Day of the Covenant Nov. 26th, and the Day of the Ascension, Nov. 28th, anniversaries of the birth and the Ascension of Abdu'l-Bahá, must be observed by the friends coming together, but work is not prohibited. In other words the friends must regard observance of these two anniversaries as obligatory--but suspension of work is not to be regarded as obligatory."

January 21. On this date in 1951, Shoghi Effendi wrote "The Day of the Covenant Nov. 26th, and the Day of the Ascension, Nov. 28th, anniversaries of the birth and the Ascension of Abdu'l-Bahá, must be observed by the friends coming together, but work is not prohibited. In other words the friends must regard observance of these two anniversaries as obligatory--but suspension of work is not to be regarded as obligatory."

1619. Day of the Covenant, Day of the Ascension
"The Day of the Covenant Nov. 26th, and the Day of the Ascension, Nov. 28th, anniversaries of the birth and the Ascension of Abdu'l-Bahá, must be observed by the friends coming together, but work is not prohibited. In other words the friends must regard observance of these two anniversaries as obligatory--but suspension of work is not to be regarded as obligatory."
(From a letter written on behalf of the Guardian to the National Spiritual Assembly of Australia and New Zealand, January 21, 1951: Letters from the Guardian to Australia and New Zealand, p. 89)