Hi,
I am downloading ERA5 hourly data on single levels. Recently, I noticed that the time data (1st column in files), which have been indicated as hours since 1-1-1900, 00 UTC so far, are now indicated obviously as seconds since 1-1-1970, 00 UTC (1st column, below "valid_time). I could not find anything about this change in the documentation. Is it possible to get some information on this topic?
Thanks, Friedrich Theunert