Rangers' Europa League first qualifying round first leg against St Joseph's will be played in Gibraltar on Tuesday with a 16:55 BST kick-off.
The switch from Thursday has been confirmed by Uefa after St Joseph's local rivals, Europa, beat Sant Julia 6-3 on aggregate.
There is only one stadium suitable in the British overseas territory for European matches.
Europa take on Polish side Legia Warsaw on Thursday.
St Joseph's beat nine-man Kosovo side Prishtina 2-0 on Tuesday to secure a 3-1 aggregate win in their preliminary round tie before Europa completed a Gibraltar double by coming from 3-2 down in their first leg to defeat the Andorrans.
The second leg at Ibrox is scheduled for Thursday 18 July with a 19:45 BST kick-off.
St Joseph's finished third in the Gibraltar Premier Divison last season, behind Europa and champions Lincoln Red Imps.