The service may be unavailable on the following dates: on Sunday, June 28rd, from 01:30 a.m. (GMT +2) to 04:00 a.m. (GMT +2), for ordinary maintenance; on Tuesday, June 30rd, from 06:00 p.m. (GMT +2) to 11:00 p.m. (GMT +2), for extraordinary maintenance; on Thursday, July 2nd, from 06:00 p.m. (GMT +2) to 09:00 p.m. (GMT +2), for ordinary maintenance.