{{Currentdate}}
produces
೧೮:೧೫, ಮಂಗಳವಾರ ಡಿಸೆಂಬರ್ ೨೪, ೨೦೨೪ (UTC)

while
{{Date}}
produces
೨೪ ಡಿಸೆಂಬರ್ ೨೦೨೪

{{Currentdate}}              - time, day-of-week, and mdy
{{Date}}                     - dmy, etc.
{{DATE}}                     - parameter for templates ("date=")
{{Now}}                      - {{Currentdate}} as sentence
{{Plain now}}                - dmy and time
{{Right now}}                - blue box with time and current # of Wikipedia articles
{{Right now (User message)}} - {{Right now}}, but orange
{{TODAY}}                    - dmy