In Day-Ahead Market there are different timeline for different process as we describe as follow:

1. 10:00 hrs. to 12:00 hrs.: Member can submit , edit, modify or delete buy and sell bids.
2. 12:00 hrs. to 13:00 hrs.: Calculate MCP, MCV. Prov. solution sent to NLDC uploaded in the TWS
3. 13:00 hrs. to 14:00 hrs.: NLDC check transactions and Inform congestion period and capcity available
4. 14:00 hrs. to 16:00 hrs.: Recalculate ACP and ACV i case of congestion and IEX sends final schedule Request to NLDC.
5. 16:00 hrs. to 17:00 hrs.: NLDC sends confirmation and IEX sends files to SLDC for scheduling
6. 17:00 hrs. to 18:00 hrs.: RLDCs /SLDCs incorporate Collective Transactions in the Daily schedule