The Working Group consider there are clear benefits to a 4-day week (assuming it is the product of consultation and negotiation between employer and workers).
Mae’r Gweithgor o’r farn bod manteision clir i wythnos waith 4 diwrnod (gan dybio ei bod yn ganlyniad ymgynghori a negodi rhwng cyflogwyr a gweithwyr).