Sunan Ibn Majah
Sunan Ibn Majah 1761
حَدَّثَنَا هِشَامُ بْنُ عَمَّارٍ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ أَبِي الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ ـ صلى الله عليه وسلم ـ قَالَ " لاَ تَصُومُ الْمَرْأَةُ وَزَوْجُهَا شَاهِدٌ يَوْمًا مِنْ غَيْرِ شَهْرِ رَمَضَانَ إِلاَّ بِإِذْنِهِ " .
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Hisham ibn Ammar narrated to us; Sufyan ibn Uyaynah narrated to us, from Abu al-Zinad, from al-A‘raj, from Abu Hurayrah, from the Prophet (peace and blessings be upon him), who said: ‘A woman should not fast a day outside Ramadan while her husband is present, except with his permission.’
Notes and open questions — unreviewed
The Arabic says her husband is present; it does not specify a more precise setting.