This is traditionally marked by three days of religious observance, including marches, which are now banned under Bahrain's month-old state of emergency.
In New York City, the daylong observance includes a citywide moment of silence at 8 46 a.m., when the first plane hit the trade center, and church bells will toll at 10 29 a.m., when the second tower collapsed.
Numerous festivals, seminars, meetings and conventions are planned in connection with the observance, including the next International Women's Conference, from July 7 to 11 , 1987 followed by the National Organization of Women's national convention, July 15 to 20.
The observance included President Nicolas Maduro addressing thousands of followers at an "anti-imperialism" rally in central Caracas.
The Sabbath observance includes abstaining from motor vehicles, adopting a local-food diet, and "reflecting on the aspects of our lives that are so entrenched in the oil economy that we cannot even quit them for one day".
On Yom Kippur, part of the day's observance includes a service of remembrance, called Yizkor, during which we read the names of the dead, reflect on their lives and their legacies, honor them through memory, and commit ourselves to action inspired by their memory.
Other observances include a tribute on March 19 at Lincoln Center and "John Steinbeck's Americas: A Centennial Conference" at Hofstra University on Long Island March 21-23.
Popular celebrations and observances include Uttarayan, an annual kite-flying day on 14 and 15 January.
Its Old Testament observances include use of the Jewish calendar, celebration of Passover, circumcision of infant males, commemoration of the Sabbath on Saturday, and wearing of yarmulkes.
Haydn's piece was commissioned for Cadiz cathedral, where Holy Week observances included a sequence of meditations on the last words, punctuated by music.
