The night curfew could be lifted for 15 days, as a trial, but the emergency decree will remain in force.

Deputy army chief Gen Nathapol Nakpanit, who is on the committee of Covid-19 control, said on Wednesday the committee planned to lift the 11pm-3am curfew for 15 days.

However, use of state of emergency power under the executive decree will continue.

"Without the curfew people can resume their normal lives, but the state of emergency will remain in place in case the government needs to take swift action to stop Covid-19 from spreading," he said.

Normal laws are not enough, he said.

Actions include 14-day quarantine for people arriving from other countries. The emergency decree prevented airlines from suing the government for banning their flights, Gen Nathapol said.

He did not say when the curfew would be tentatively lifted. He did say that during the 15 days officials would evaluate public feedback.