diff --git a/migrations/03_fuel_timezone_eat.sql b/migrations/03_fuel_timezone_eat.sql
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+++ b/migrations/03_fuel_timezone_eat.sql
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+-- 03_fuel_timezone_eat.sql — fleetfuel · standardize fuel times to Africa/Nairobi
+-- ─────────────────────────────────────────────────────────────────────────────
+-- The source feed stamps record_datetime in UTC ("…Z"). The fleet operates in
+-- Kenya (EAT, UTC+3), so storing UTC `timestamptz` made record_datetime::date
+-- bucket by UTC day — an evening fill (e.g. 22:00 EAT = 19:00 UTC, fine, but
+-- 01:00 EAT = 22:00 prev-day UTC) lands on the wrong calendar day in the daily
+-- trend. Standardize every fuel timestamp to Africa/Nairobi WALL-CLOCK stored as
+-- `timestamp` (without time zone): the value you read in the table is EAT, and
+-- record_datetime::date is the EAT day.
+--
+-- Runs only after 01/02 (columns are still timestamptz here), so the USING
+-- conversion `col AT TIME ZONE 'Africa/Nairobi'` (timestamptz -> local EAT
+-- timestamp) is always correct. Idempotent in effect; safe to re-apply.
+-- ─────────────────────────────────────────────────────────────────────────────
+
+-- EAT-local cast: source UTC text -> Africa/Nairobi wall-clock timestamp (or NULL).
+CREATE OR REPLACE FUNCTION fuel.to_ts_eat(p text)
+ RETURNS timestamp LANGUAGE plpgsql STABLE AS $fn$
+BEGIN
+  RETURN (NULLIF(btrim(p), '')::timestamptz) AT TIME ZONE 'Africa/Nairobi';
+EXCEPTION WHEN others THEN
+  RETURN NULL;
+END $fn$;
+
+-- Views depend on record_datetime, so drop them before the column type change.
+DROP VIEW IF EXISTS reporting.v_fuel_efficiency;
+DROP VIEW IF EXISTS reporting.v_fuel_fills;
+
+-- Convert existing data (timestamptz instant -> EAT wall-clock) and switch types.
+ALTER TABLE fuel.records
+  ALTER COLUMN record_datetime TYPE timestamp USING (record_datetime AT TIME ZONE 'Africa/Nairobi'),
+  ALTER COLUMN deleted_at      TYPE timestamp USING (deleted_at      AT TIME ZONE 'Africa/Nairobi'),
+  ALTER COLUMN ingested_at     TYPE timestamp USING (ingested_at     AT TIME ZONE 'Africa/Nairobi'),
+  ALTER COLUMN updated_at      TYPE timestamp USING (updated_at      AT TIME ZONE 'Africa/Nairobi');
+ALTER TABLE fuel.records
+  ALTER COLUMN ingested_at SET DEFAULT (now() AT TIME ZONE 'Africa/Nairobi'),
+  ALTER COLUMN updated_at  SET DEFAULT (now() AT TIME ZONE 'Africa/Nairobi');
+
+ALTER TABLE fuel.ingest_state
+  ALTER COLUMN updated_at TYPE timestamp USING (updated_at AT TIME ZONE 'Africa/Nairobi'),
+  ALTER COLUMN updated_at SET DEFAULT (now() AT TIME ZONE 'Africa/Nairobi');
+
+-- Trigger now derives EAT-local timestamps from raw.
+CREATE OR REPLACE FUNCTION fuel.tg_records_derive()
+ RETURNS trigger LANGUAGE plpgsql AS $fn$
+BEGIN
+  NEW.record_datetime     := fuel.to_ts_eat(NEW.raw->>'record_datetime');
+  NEW.car_raw             := NEW.raw->>'car';
+  NEW.plate               := fuel.norm_plate(NEW.raw->>'car');
+  NEW.liters              := fuel.to_num(NEW.raw->>'liters');
+  NEW.amount              := fuel.to_num(NEW.raw->>'amount');
+  NEW.fuel_type           := fuel.canon_fuel_type(NEW.raw->>'fuel_type');
+  NEW.fuel_type_raw       := NEW.raw->>'fuel_type';
+  NEW.department          := fuel.canon_department(NEW.raw->>'department');
+  NEW.driver              := NULLIF(btrim(NEW.raw->>'driver'), '');
+  NEW.odometer            := fuel.to_num(NEW.raw->>'odometer');
+  NEW.deleted_at          := fuel.to_ts_eat(NEW.raw->>'deleted_at');
+  NEW.message_fingerprint := NEW.raw->>'message_fingerprint';
+  NEW.updated_at          := now() AT TIME ZONE 'Africa/Nairobi';
+  RETURN NEW;
+END $fn$;
+
+-- Recreate the read views (record_datetime is now EAT-local; fuel_date follows).
+CREATE OR REPLACE VIEW reporting.v_fuel_fills AS
+ SELECT r.id,
+        r.record_datetime,
+        r.record_datetime::date AS fuel_date,
+        r.plate,
+        d.vehicle_number,
+        d.cost_centre,
+        d.assigned_city,
+        d.assigned_driver,
+        d.imei,
+        r.department,
+        r.driver,
+        r.liters,
+        r.amount,
+        r.fuel_type,
+        r.odometer
+   FROM fuel.records r
+   LEFT JOIN LATERAL (
+        SELECT dv.vehicle_number, dv.cost_centre, dv.assigned_city,
+               dv.driver_name AS assigned_driver, dv.imei
+          FROM tracksolid.devices dv
+         WHERE r.plate IS NOT NULL
+           AND fuel.norm_plate(dv.vehicle_number) = r.plate
+         ORDER BY dv.enabled_flag DESC NULLS LAST, dv.updated_at DESC NULLS LAST
+         LIMIT 1
+   ) d ON true
+  WHERE r.deleted_at IS NULL;
+
+CREATE OR REPLACE VIEW reporting.v_fuel_efficiency AS
+ WITH seq AS (
+   SELECT id, plate, vehicle_number, cost_centre, assigned_city,
+          record_datetime, fuel_date, odometer, liters, amount, fuel_type,
+          odometer - lag(odometer) OVER (PARTITION BY plate ORDER BY record_datetime, id) AS km_since_last
+     FROM reporting.v_fuel_fills
+    WHERE plate IS NOT NULL AND odometer IS NOT NULL AND odometer > 0
+ )
+ SELECT seq.*,
+        CASE WHEN liters > 0 AND km_since_last > 0 AND km_since_last < 5000
+             THEN round(km_since_last / liters, 2)
+        END AS km_per_litre
+   FROM seq;
+
+-- Dropping the views dropped their grants — re-grant to the read-only role.
+DO $grants$
+BEGIN
+  IF EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'grafana_ro') THEN
+    GRANT USAGE ON SCHEMA reporting TO grafana_ro;
+    GRANT SELECT ON reporting.v_fuel_fills, reporting.v_fuel_efficiency TO grafana_ro;
+  END IF;
+END $grants$;