2025 calendar for gasoline cargo summer-to-winter transition

Effective Sept. 8, 2025, Platts, part of S&P Global Commodity Insights, will start reflecting winter grades of gasoline on a pro-rated basis in its CIF Northwest European and FOB Mediterranean gasoline cargo assessments.

The following calendar applies:

Summer-to-winter transition:

• Sept. 5: Last day of full summer specification
• Sept. 8: First day reflecting winter specification
• Sept. 10: First full five-day laycan reflecting winter
• Sept. 16: Last full five-day period for summer bids and offers
• Sept. 19: Last day reflecting summer specification
• Sept. 22: Fully winter specification

The following codes are affected: Gasoline 10ppmS CIF NWE Cargo AAXFQ00; Gasoline Prem Unleaded 10ppmS FOB Med Cargo AAWZA00; Gasoline Prem Unleaded 10ppmS CIF Med Cargo AAWZB00.

A spreadsheet detailing the changes is available on request.

Please send feedback and questions to PL_LightendsEurope@spglobal.com, with a cc to pricegroup@spglobal.com.