Dec. 3, 2020
6:09 p.m.
GMT was adopted as the standard time of Lagos on 1905-07-01.
It seemed that Lagos returned to LMT on 1908-07-01. Lagos Weekly Record, 1908-07-01, p 5 http://ddsnext.crl.edu/titles/31556#?c=0&m=78&s=0&cv=4&r=0&xywh=-92%2C3590%2... says "Scarcely have the people become accustomed to this new time, when another official notice has now appeared announcing that from and after the 1st July next, return will be made to local mean time."