Check first, then head out.
This site does one useful thing: it helps you see whether a Singapore hawker centre is open, closed for cleaning, or scheduled for upcoming works.
Why this little site exists
Nobody wants to walk over for lunch and find the shutters down. Hawker centre closures are usually planned, but the information is not always where you need it in the moment.
Also my mom said that NEA's website is hard to navigate, which is instruction for me to make something easier.