The Chat Timestamps plugin prepends a timestamp to chat messages you receive.
Colour of Timestamps from the Timestamps plugin (opaque)
Colour of Timestamps from the Timestamps plugin (transparent)
Customize your timestamp format by using the following characters
yyyy
: yearMM
: monthdd
: dayHH
: hour in 24 hour formathh
: hour in 12 hour formatmm
: minutess
: second