The service may be unavailable on the following dates: on Thursday, September 4th, from 06:00 p.m. (GMT +2) to 11:00 p.m. (GMT +2), for extraordinary maintenance; from Thursday, September 4th, 10:00 p.m. (GMT +2) to Friday, September 5th, 03:00 a.m. (GMT +2), for ordinary maintenance; on Saturday, September 6th, from 01:00 a.m. (GMT +2) to 03:00 a.m. (GMT +2), for ordinary maintenance; on Sunday, September 7th, from 10:00 a.m. (GMT +2) to 10:00 p.m. (GMT +2), for ordinary maintenance; on Thursday, September 11th, from 06:00 p.m. (GMT +2) to 11:00 p.m. (GMT +2), for ordinary maintenance.