Phone number lengths across ASEAN's eleven members, from the regulators' own plans
How many digits follow the country code in each of ASEAN's eleven members, from the regulators' own numbering plans: Sin...
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Kakak is an older sister in Malaysia and any older sibling in Indonesia
Malaysia's Kamus Dewan Perdana defines kakak as an older sister; Indonesia's KBBI defines it as an older sibling. Malay...
The notes that can go in an ang bao for Lunar New Year 2027
Lunar New Year 2027 falls on 6 February. Which notes you can get for an ang bao, lai see or 紅包 in Singapore, Malaysia,...
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Public holidays 2027 and the best days to take leave in Singapore, Malaysia and Hong Kong
The 2027 public holidays in Singapore, Malaysia and Hong Kong, the longest breaks a few days of leave can buy in each, w...
How many Indonesian words can you make from seven letters
A random rack of seven letters makes a median of at least 23 Indonesian words, but a word using all seven turns up for o...
What Chinese AI video generators cost, and whether you can pay from Singapore
You can sign up for most Chinese AI video generators with just an email, and none of their open-weight licences excludes...
The 24 solar terms in 2026, and why the date moves every year
A solar term is a moment, not a day: 寒露 2026 is 8 October at 14:29. Here are all 24 with their times, matching the Hon...
Two published rules for the new moon disagree about one month in three
MABIMS and Muhammadiyah's wujudul hilal are both published and computable a year ahead. Worked through fourteen lunation...
The payment QR on the counter is a line of text you can read
ASEAN merchant payment codes all use one published format: a flat string of tag, length and value. Decoding a real paylo...
Two ASEAN countries tie your broadband to the speed you were sold, and only one checks
Malaysia requires 90% of your subscribed fibre speed and collects the results quarterly. Thailand sets 70% of the advert...
A helmet can meet the standard Philippine law names and still be illegal there
The Philippines, Malaysia and Indonesia all build their helmet rules on the same UN regulation, but only Malaysia accept...
A4 is the answer to an equation, and US Letter is not the answer to anything
Two constraints — a ratio of √2 and an area of one square metre — have exactly one solution, and that solution is A0. Th...
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