You may find the answer that I have given you.
Exact time stamp for currency data (FX)
... be careful that your daily data is, in fact, daily data.
Some tips if you want to get free FX data at higher frequency snapshots than daily:
1) tickdata trueFX, , 4 . xts to.period (, .., ) 4 , csv , - . : .. ( 5 EST 17:00 ) / OHLC). . / trueFX, FX, , ...
2) Interactive Brokers? , Jeff Ryan IBrokers R FX () 5 ... , , ... , IB 15 5 EST, , FX ( ).