htpdate
Synchronize local date and time via HTTP headers from web servers. More information: <http://www.vervest.org/htp/>.
RUN apt-get update && \
apt-get install -y htpdate
RUN apt-get update && \
apt-get install -y htpdate
RUN apt-get update && \
apt-get install -y htpdate
RUN apt-get update && \
apt-get install -y htpdate