God is always open. He never closes. You can call on the Name of the Lord 24 hours a day, 7 days a week, 365 days a year.
Genesis 28:15 — I am with you and will watch over you wherever you go, and I will bring you back to this land. I will not leave you until I have done what I have promised you.
Psalm 63:6 — When I remember You, Lord on my bed, I meditate on You in the night watches.
Ephesians 6:18 — And pray in the Spirit on all occasions with all kinds of prayers and requests. With this in mind, be alert and always keep on praying for all the Lord’s people.
Psalm 121:3-4 & 8 — God will not let you stumble; the one who watches over you will not slumber. Indeed, he who watches over His people never slumbers or sleeps… The Lord will watch over your coming and going both now and forevermore.
Proverbs 15:3 — The eyes of the Lord are everywhere, always keeping watch on the wicked and the good.