Read 4 chapters a day (1 New Testament, 1 Wisdom Book, 2 Old Testaments)
Should able to finish reading the new and old testament Bibles within 260 days.

The calculation method is as follows:
Read 1 New Testament. New Testaments has 260 chapters. Read one chapter daily, and you can finish New Testament within one year.

Read 1 chapter book of wisdom (in the Old Testament): 5 books in total of 243 chapters. Read one chapter daily and you can finish the books of wisdom within 243 days.
1. Job 42 chapters. 2. Psalm 150 chapters. 3. Proverbs 31 chapters. 4. Ecclesiastes 12 chapters. 5. Song of Solomon 8 chapters

Read 2 chapters of Old Testament books: (From Genesis to Malachi) Old Testament books has 929 chapters minus 243 chapters of wisdom books, 686 books left divided by 2 equal to 343 days which means read 2 Old Testaments daily. You can finish the whole Old Testaments in 343 days.