Then they called out (one to another as soon) as the morning broke.meaning, when it was (early) morning time they called each other so that they could go together to pick the harvest or cut it (its fruits).Then Allah said,أَنِ اغْدُوا عَلَى حَرْثِكُمْ إِن كُنتُمْ صَارِمِينَ