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pbot/modules/date.sh

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#!/bin/bash
export TZ=UTC
if (( $# )) && ! read -r TZ < <(IFS=_; find -L /usr/share/zoneinfo/posix -type f -not -iname 'West' -iname "*$**" -printf '%P\n' -quit); then
echo "No match for '$*'."
exit 1
fi
if [[ $TZ != UTC ]]; then
_city=${TZ##*/}
echo "It's $(date) in ${_city//_/ }."
else
echo "It's $(date)."
fi