Acting United Nations envoy Stephanie Williams said the ceasefire would start immediately and all foreign fighters must quit Libya within three months.
Azerbaijan and Armenia had accused each other earlier on Saturday of fresh attacks in violation of a week-old Russian-brokered truce.
On Sunday, Azerbaijan accused Armenia of heavily shelling a residential area in Ganja, its second largest city, in the early hours of the morning, and of hitting an apartment building.
Israel has a working policy in the north, why can't it do the same in the south?
Hadi al-Bahra, the Syrian opposition co-chair of the Syrian Constitutional Committee, was speaking to reporters in Geneva after week-long UN-sponsored talks.
The GNA has been locked in conflict with east-Libyan based forces led by veteran commander Khalifa Haftar, who launched a 14-month offensive on Tripoli
Incendiary balloons found near Gaza border communities early Saturday.
The move came as fighting between the two sides had intensified despite the coronavirus pandemic.
President Ashraf Ghani called on Thursday for the ceasefire for Ramadan, which began in Afghanistan on Friday, and to allow the country to focus on the coronavirus outbreak.