Make that Midnight - 05:00 for the curfew, and they left out the proposed inclusion of vaccination pass requirements and the closure of discos/nightclubs.

From the Prefecture's Facebook page:

Covid-19 / Degradation of the health situation: establishment of a curfew.
Due to the significant increase in the number of cases of Covid-19 in all the territories of Saint-Martin and Saint-Barthélemy, the Prefect Serge GOUTEYRON has decided to implement a curfew from this Friday January 07, 2022 from 24h00 to 5h00 in accordance with the order RAA-2022-002 (http: //www.saint-barth-saint-martin.gouv.fr /.../ RAA-2022 ...) of Thursday 6 January 2022. The measure will then be evaluated according to the health situation.
Travel between these times will be prohibited except on presentation of a personal or professional derogatory certificate. Certificates can be generated using the following link by clicking on the "curfew" tab: https://media.interieur.gouv.fr/attestation-deplacement.../
Cooperation remains constant with the authorities of Sint-Maarten in order to continue as far as possible a coordinated development of the measures taken.