The months name in momentjs used an arabic translation with the month then some crap (or the month said a second time) after. This does not seem expected, and has been solved in moment.js library 2 years ago: https://github.com/moment/moment/pull/4271 This PR apply this change in moment.js localization included in Odoo. opw-2006265 closes #34248 Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>