Revert "Revert "fixed DateFormat of meetings and more enhancements""

This reverts commit 5fa73256bb5bbd475f004531494c130fcd2b89d0.
Revert "Revert "Revert "fixed DateFormat of meetings and more enhancements"""

This reverts commit a4620d081da38b653650e80aa0bf5a08399f4c24.