As to whether the celebrating of the Feasts, Holy Days and
the Fast should follow the rising and the setting of sun, in the high latitudes
it is permissible to go by the clock.
- The Universal House of Justice (From letter dated 28 October 1971 to the National Teaching Committee of Iceland, published in Australian Bahá'í Bulletin, No. 213, May 1972; compilation: ‘Lights of
Guidance’)