date, bronto-military time

# something readable and short
date +"%R %d%b%g"
12:54 25Jul17

# military time: day hour minute location month year 
echo $(date +%d%H%MJ%^b%y) 
# J supposedly means local time, ^ is bash for uppercase
251259JJUL17

# military with some spaces
echo $(date +"%d%H%MJ %^b %y")
251307J JUL 17

In reality Z (zulu) is probably used the most = GMT(0).

http://blog.refactortactical.com/blog/military-date-time-group/

# bronto-military time, always local, 
# no spaces, clock first
echo "$(date +%H%M%^b%d%y)"
1337JUL2517

Script/function would then look like

#!/bin/bash

# bronto-military time

bmiltime() {
    echo "$(date +%H%M%^b%d%y)"
    }
    
bmiltime

# 1337JUL2517

And something completely different

figlet -f smscript $(date +"%H : %M - %d. %^b. %y")
 , __        ____ ,           _  ___                         ,____
/|(__)   o    __//|          / )|__      /|(|   | \_|)      /|   /
 |/  \          \ |   ----    /    \    | | |   |   |        |  / 
 |\__/   o   \__/ |          /__\__/o    \|/ \_/\_/(\__/o    | /  
                                         (|

p.s. For alphanumeric-sorting purposes, year, month, day, - , hour, minute

echo $(date +%y%m%d-%H%M)
# 170826-1141

p.s.2. Home-made stardate, especially interesting would be short base36 or base62 notations.

Debate’.

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