Strange you should ask this question. Sometimes, aside from formal prayer, I just speak to Our Lord - which is what I was doing this morning. I was thinking about Our Lady’s feelings at this time, a day after Our Lord’s Crucifixion - her sadness - did she know in her heart / did she fully understand that He was soon to rise? Or was she grieving, as we do after the loss of a loved one? Even the women of Jerusalem came to the tomb, I believe, to annoint Our Lord’s Body as was the custom some days later. They expected to find Our Lord’s Body in the tomb but Mary Magdelan would be the one to first see Jesus - alive - thinking at first that Our Lord was the gardener.
Yes. Holy Saturday is a time of waiting for Him to rise again, as He promised. The Apostles were told this but - did they fully understand? They waited behind closed doors fearing they’d be next after being followers of Jesus. Did bystanders at the Cross understand when they heard Our Lord tell the Good Thief - “This day, thou shall be with Me in Paradise.” THIS DAY ! That meant Good Friday - while everyone mourned.
Holy Saturday IS a time of waiting - grieving - an empty time…probably, why the Blessed Sacrament is removed from the Tabernacle - and Holy Water taken away from Churches. It’s as though everything is devoid OF Our Lord once Our Lord was crucified. But for us - Holy Saturday is the the expectation of what we now know - that within hours we will be saying:
"He is Risen - Alleluia !