MWlist’s database shows wrong time for 657, 1278 and 1404 kHz. All these are used 24 hours a day. There is also an English language slot at around 00:01-00:05 UTC on all four active frequencies (657, 873, 1278, 1404).
Alexander Miatlikov (formerly Diadischev), Dniprorudne, Ukraine to MWlist iog (2022-05-23)