Four-day week on transportation, heating, and substitute teachers. More modest attempts to enact a 32-hour workweek (a four-day week and an eight-hour day combined) have remained elusive in the following 80 years despite pockets of residual support. In Gambia, a four-day workweek was introduced for public officials by president Yahya Jammeh, effective as of 1 February 2013. Working hours became Mondays through Thursday 8 a.m. to 6 p.m., with Friday foreseen as a day of rest to allow residents more time for prayer and agriculture. This regulation was abolished in early 2017 by his successor, president Adama Barrow, who decreed a half-day
Determination of the day of the week week is where the positive modulus is chosen. The value of is obtained from the following table: The value of is obtained from the following table, which depends on the calendar. For the Gregorian calendar, For the Julian calendar, Charles Lutwidge Dodgson (Lewis Carroll) devised a method resembling a puzzle, yet partly tabular in using the same index numbers for the months as in the "Complete table: Julian and Gregorian calendars" above. He lists the same three adjustments for the first three months of non-leap years, one 7 higher for the last, and gives cryptic instructions for finding the rest;