# reservation/StartTime
#level100 #cur #finops #curfield
## Source
- Category: [[Reservation details]]
- [AWS documentation](https://docs.aws.amazon.com/cur/latest/userguide/reservation-columns.html#r-S)
- [[lineItem_LineItemType]]: RIFee
## Relevant notes
- This line only applies to [[Reserved Instances]]
## Notes
- The start time of the RI contract. Usually before the current usage month except when the RI is new.
- This field gives an information about the full reservation, not just the current month. A 3 years RI will have and [[reservation_EndTime]] that is 3 years after the [[reservation_StartTime]]
- It has an hourly precision