Create a utility_tags.py file with the following content:

# myproject/apps/core/templatetags/utility_tags.py
from datetime import datetime
from django import template
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _

register = template.Library()


""" FILTERS """

DAYS_PER_YEAR = 365
DAYS_PER_MONTH = 30
DAYS_PER_WEEK = 7


@register.filter(is_safe=True)
def date_since(specific_date):
    """
    Returns a human-friendly difference between today and past_date
    (adapted from https://www.djangosnippets.org/snippets/116/)
    """
    today = timezone.now().date()
    if isinstance(specific_date, datetime):
        specific_date = specific_date.date()
    diff = today - specific_date
    diff_years = int(diff.days / DAYS_PER_YEAR)
    diff_months = int(diff.days / DAYS_PER_MONTH)
    diff_weeks = int(diff.days / DAYS_PER_WEEK)
    diff_map = [
        ("year", "years", diff_years,),
        ("month", "months", diff_months,),
        ("week", "weeks", diff_weeks,),
        ("day", "days", diff.days,),
    ]
    for parts in diff_map:
        (interval, intervals, count,) = parts
        if count > 1:
            return _(f"{count} {intervals} ago")
        elif count == 1:
            return _("yesterday") 
                if interval == "day" 
                else _(f"last {interval}")
    if diff.days == 0:
        return _("today")
    else:
        # Date is in the future; return formatted date.
        return f"{specific_date:%B %d, %Y}"