When you ring the ATIS by phone it will read the TAF and also the current ATIS
So you are correct in that it will be saying date, for example,
"1712/1812 06018G30KT 9999..."
would be read out as:
"Forecast Period: Date 17 Time 12 hours to Date 18 Time 12 hours, 060 18 Gusting 30 10 km or more..."