The service may be unavailable on the following dates: from Wednesday, November 27th, 11:00 p.m. (GMT +1) to Thursday, November 28th, 05:00 a.m. (GMT +1), for extraordinary maintenance; on Thursday, November 28th, from 10:00 p.m. (GMT +1) to 11:00 p.m. (GMT +1), for scheduled maintenance.