The Night Market of Kariakoo

By six in the evening, the wholesale traders of Kariakoo have already gone home. Their shutters come down with a metallic finality that would make you think the market is closing. It is not. It is changing shifts.

The night market arrives in pieces. First the women with buckets of fried cassava and octopus skewers, staking out corners with the confidence of people who have held them for a decade. Then the second-hand clothes men, unrolling their tarpaulins under the streetlights that work and stringing LED bulbs where they don't.

Hamisi, who sells phone chargers and screen protectors from a wooden box mounted on a bicycle, has worked this corner for eleven years. He can tell you which streetlight will fail next, which police officer will want tea money, and which customers will bargain for sport rather than need. 'The day market sells goods,' he says. 'The night market sells time. People who work all day — when else can they shop?'

It is an economy that appears in no official statistics, but economists at the University of Dar es Salaam estimate that night trading in Kariakoo alone moves hundreds of millions of shillings a week. Mobile money has quietly transformed it: where thieves once targeted cash boxes, now a trader's float lives in her phone, behind a PIN.

The market has its own etiquette. You do not undercut a neighbour who is present; you may undercut one who has gone home. You watch the stall of a trader who steps away, and she watches yours. Disputes are settled by whoever has been there longest, a seniority system as rigid as any courtroom's.