January 2039 starts on a Saturday and has 21 weekdays, 20 of them working days in England and Wales. New Year's Day is on Saturday 1 January, and the New Year's Day substitute bank holiday is expected on Monday 3 January.
Self Assessment online tax return deadline for 2037/38
Bank holidays here are expected dates from the usual rules: GOV.UK confirms them about two years ahead, and one-off holidays can't be predicted. The Chinese New Year date is from the Hong Kong Observatory's lunar calendar tables.
January 2039 in numbers
31 days, from Saturday 1 January 2039 to Monday 31 January 2039: days 1 to 31 of the year.
21 weekdays and 10 weekend days.
20 working days in England and Wales (1 expected bank holiday on a weekday), 19 in Scotland and 20 in Northern Ireland.
ISO weeks 52 (of 2038) to 5, from Monday 27 December 2038 to Sunday 6 February 2039.