The service may be unavailable on the following dates: on 13th, 14th, 15th, and 16th January, from 7:30 PM to 11:30 PM (GMT+1), for scheduled maintenance; from Tuesday, January 14th, 10:00 p.m. (GMT +1) to Wednesday, January 15th, 05:00 a.m. (GMT +1), for extraordinary maintenance; from Wednesday, January 22nd, 11:00 p.m. (GMT +1) to Thursday, January 23rd, 05:00 a.m. (GMT +1), for scheduled maintenance; from Saturday, January 25th, 07:00 p.m. (GMT +1) to Sunday, January 26th, 01:00 a.m. (GMT +1), for scheduled maintenance.