According to the United Nations, the warring parties in Yemen have agreed on a two-month ceasefire.
This begins on Saturday evening at 7 p.m. local time, said UN special envoy Hans Grundberg on Friday evening.
If all parties agree, it can also be extended.
The beginning of the ceasefire coincides with the start of the Islamic month of fasting, Ramadan.
All previous diplomatic efforts to end the conflict in the country in the south of the Arabian Peninsula had failed.
Without the participation of the Houthis, hopes are slim again this time.
However, aid organizations are calling for a quick solution in view of the dramatic humanitarian situation.
The UN warns that the already serious hunger crisis in Yemen could worsen.
In Yemen, arch-rivals Saudi Arabia and Iran are waging a proxy war.
While Iran supports the Shiite Houthi rebels, Saudi Arabia is leading a group of Sunni-leaning Gulf states in the fight against these insurgents.
Saudi Arabia is thus supporting the internationally recognized Yemeni government of Abd-Rabbu Mansur Hadi, which was driven out of the capital Sana'a by the Houthi rebels in 2014.
According to the UN, around 380,000 people have already been killed in the conflict, and millions more have had to flee.