Every public holiday and long weekend of 2027 on either side of the Causeway and Second Link: which days Singapore is off, which days Johor is off, and when Singapore's school holidays overlap. Weekend here is Saturday & Sunday.

Days offSingaporeJohor
1–3 Jan
3 days off
Singapore off, Johor working
Singapore: New Year's Day
New Year's Day
22–24 Jan
3 days off
Johor off, Singapore working
Johor: Thaipusam
Thaipusam
6–9 Feb
4 days off
Different days off on each side SG school holidays
Singapore: Chinese New Year
Johor: Chinese New Year, Chinese New Year (Second Day), Beginning of Ramadan
Chinese New Year Chinese New Year, Chinese New Year (Second Day), Beginning of Ramadan
10–11 Mar
2 days off
Different days off on each side
Singapore: Hari Raya Puasa
Johor: Eid al-Fitr, Eid al-Fitr (Second Day)
Hari Raya Puasa Eid al-Fitr, Eid al-Fitr (Second Day)
23 Mar Johor off, Singapore working
Johor: Birthday of the Sultan of Johor
Birthday of the Sultan of Johor
26–28 Mar
3 days off
Singapore off, Johor working
Singapore: Good Friday
Good Friday
1–2 May
2 days off
Both sides off
Singapore: Labour Day
Johor: Labor Day
Labour Day Labor Day
15–17 May
3 days off
Both sides off
Singapore: Hari Raya Haji
Johor: Eid al-Adha
Hari Raya Haji Eid al-Adha
20 May Both sides off
Singapore: Vesak Day
Johor: Vesak Day
Vesak Day Vesak Day
5–7 Jun
3 days off
Johor off, Singapore working SG school holidays
Johor: Islamic New Year, Birthday of HM Yang di-Pertuan Agong
Islamic New Year, Birthday of HM Yang di-Pertuan Agong
10–11 Jul
2 days off
Both sides off
Johor: The Sultan of Johor Hol
The Sultan of Johor Hol
7–9 Aug
3 days off
Singapore off, Johor working
Singapore: National Day
National Day
14–16 Aug
3 days off
Johor off, Singapore working
Johor: Prophet Muhammad's Birthday
Prophet Muhammad's Birthday
31 Aug Johor off, Singapore working
Johor: National Day
National Day
16 Sep Johor off, Singapore working
Johor: Malaysia Day
Malaysia Day
28 Oct Both sides off
Singapore: Deepavali
Johor: Diwali
Deepavali Diwali
25–26 Dec
2 days off
Both sides off SG school holidays
Singapore: Christmas Day
Johor: Christmas Day
Christmas Day Christmas Day

This lists days off, not traffic: holidays and long weekends are when ICA and JPJ usually warn of heavy traffic at Woodlands and Tuas, especially on the evening before and the last day. Johor has a Saturday-Sunday weekend; Malaysian school holidays for Johor are on the Johor school page.