Gets epoc dates for some number of minutes and hours you select before now. Mostly created for plaing with Firewalla MSP API

epocdate.sh

#!/bin/bash

# v 1.0.1
# https://gist.github.com/mbierman/f81b591fd27638b9f4221e9525229eca

echo -e "How many minutes before now?"
read minutes
# min=$(date -v-${minutes}M +%s)
minutes=${minutes:=0}
echo -e "You entered $minutes minutes\n\n"

echo -e "How many hours before now?"
read hours
hours=${hours:=0}
echo -e "You entered $hours hours\n\n"

start=$(date -v-${minutes}M -v-${hours}H +%s)
startFull=$(date -v-${minutes}M -v-${hours}H '+%A, %B %d, %Y %H:%M')
end=$(date +%s)
endFull=$(date '+%A, %B %d, %Y %H:%M')

echo -e "Start: $start $startFull\nEnd:   $end $endFull\n"

Example

$ epocdate.sh 
How many minutes before now?
1
You entered 1 minutes


How many hours before now?
1
You entered 1 hours


Start: 1662444808 Monday, September 05, 2022 23:13
End:   1662448468 Tuesday, September 06, 2022 00:14