Business Days in December 1999 for Singapore
December 1999 has 23 working days under the Singapore gazetted holiday calendar. December 1999 contains no Singapore gazetted holidays on a weekday. The month covers 31 calendar days, of which 8 are Saturday and Sunday. That count drives invoice cycles, payroll runs, and any contract that defines deadlines as a number of working days in Singapore.
working days
23
Calendar Days
31
Weekend Days
8
public holidays
0
Work Weeks
4.6
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 wknd | 5 wknd | ||
6 | 7 | 8 | 9 | 10 | 11 wknd | 12 wknd |
13 | 14 | 15 | 16 | 17 | 18 wknd | 19 wknd |
20 | 21 | 22 | 23 | 24 | 25 wknd | 26 wknd |
27 | 28 | 29 | 30 | 31 |
public holidays in December 1999
No Singapore gazetted holidays fall on a weekday in December 1999, so banks and Singapore financial markets keep their regular schedule for the entire month.
Singapore December deadlines
December 14 is the CPF contribution deadline for November. December 15 is the corporate income tax e-filing deadline (Form C-S/C). Christmas Day closes banks and SGX. The MAS Financial Stability Review publishes mid-month. Many Singapore corporates pay year-end bonuses in mid-to-late December.
Day-of-week distribution
The count of each weekday in December 1999. Useful for shift scheduling, weekly recurring billing, and any rota that depends on a specific weekday landing in-month.
| Day | Count |
|---|---|
| Monday | 4 |
| Tuesday | 4 |
| Wednesday | 5 |
| Thursday | 5 |
| Friday | 5 |
| Saturday | 4 |
| Sunday | 4 |
Singapore reporting cycles and business-day rules
Singapore business-day cycles align with CPF contributions due by the 14th of the following month, IRAS GST quarterly returns due by the last day of the month after each quarter-end, and MAS-supervised SGD clearing. The G3 (FAST) and PayNow systems operate around the clock; the high-value MEPS+ system clears same-day. ACRA annual-return filings are due within seven months of the financial year-end. The MAS Monetary Policy Statement publishes semi-annually in April and October, with associated SGD-NEER band updates that move FX desks.
December 1999 working days compared by country
Working-day counts vary across countries because each country observes its own public holidays. The table below puts Singapore alongside the other ten supported holiday calendars for December 1999.
| Country | Business Days | Holidays this month |
|---|---|---|
| 🇺🇸United States | 23 | None |
| 🇬🇧United Kingdom | 23 | None |
| 🇨🇦Canada | 23 | None |
| 🇦🇺Australia | 23 | None |
| 🇮🇳India | 23 | None |
| 🇵🇭Philippines | 23 | None |
| 🇫🇷France | 23 | None |
| 🇩🇪Germany | 23 | None |
| 🇯🇵Japan | 23 | None |
| 🇲🇽Mexico | 23 | None |
| 🇸🇬Singapore (this page) | 23 | None |
How December 1999 compares year over year
December 1998 also had 23 working days, so working capacity is unchanged year over year. On the surrounding months, November 1999 has 22 working days and January 2000 has 21. Looking forward, December 2000 has 21 working days under the same Singapore gazetted holiday calendar.
Using this calculator in Singapore
A Singapore-headquartered regional treasury team uses the 23-day December 1999 count to align CPF contribution due dates on the 14th with IRAS GIRO direct-debit cycles and MAS-supervised SGD clearing. A Tanjong Pagar law firm uses business-day math to track ROT (Rules of Court 2021) procedural windows. A Jurong logistics firm uses the count to align ACRA annual-return filings with calendar-year audit cycles.
For informational purposes only
This calculator provides general estimates based on business day counting rules. It does not constitute legal advice. Deadlines in legal, regulatory, or contractual matters may be subject to jurisdiction-specific rules, court orders, or statutory exceptions. Always verify critical deadlines with a qualified professional.