#! /usr/bin/python3

## (Python 3.8.5)

import time
import math

def main():
	print('>> main()') ##[debug]##

	## date-time speed between game-clock and real time clock. (game = real*ratio)
	ratio = 3.29
	
	## epoch point in real-time where the game clock started (game-epoch zero)
	target_epoch_rsec = 1582415683.8844986
	target_epoch_rsec -= -(60*34 / ratio) ## some correction in game clock time.
	print('--- '+'target_epoch_rsec', target_epoch_rsec) ##[debug]##
	
	## setup some time/clock related stuff.
	season_days = [30, 105, 30, 15]
	game_year_days = sum(season_days)
	seconds = 60
	minutes = 60
	hours = 24
	
	## pre-calculate some fixed value, used in time-loop. (game year in real seconds).
	one_year_rsec = (game_year_days / ratio) * hours * minutes * seconds
	print('--- '+'one_year_rsec', one_year_rsec) ##[debug]##

	def tick():
		print() ##[debug]##
		real_epoch = time.time() ## real time epoch.
		print('--- '+'real_epoch', real_epoch) ##[debug]##
		
		offset_rsec = real_epoch - target_epoch_rsec ## subtrackt fixed real time epoch point.
		print('--- '+'offset_rsec', offset_rsec) ##[debug]##
		
		modf, year =  math.modf(offset_rsec / one_year_rsec) ## divide by game-year lenght, in real seconds.
		print('--- '+'modf(secs)', modf * game_year_days * hours * minutes * seconds) ##[debug]##
		## !!! here the time is apparently returning in jumps of 3 seconds, ergo: its game-time related at this point.
		## Ratio was (only) used in the "one_year_rsec" var, but can't figure out why it would be working correctly with that.
			
	for i in range(3):
		tick()
		time.sleep(1)
	
	print('<<  main()') ##[debug]##
	
## START MAIN ##
if (__name__ == '__main__'):
	print()
	main()

Output:
--- target_epoch_rsec 1582416303.945289 ##(fixed value)
--- one_year_rsec 4727051.6717325235 ##(fixed value)

--- real_epoch 1609266066.9659271 ##(jumps 1 second per real-second)
--- offset_rsec 26849763.020638227 ##(same)
--- modf(secs) 10575720.337899752 ##(this jumps 3.29 seconds per second)

--- real_epoch 1609266067.9673858
--- offset_rsec 26849764.022096872
--- modf(secs) 10575723.632698704

--- real_epoch 1609266068.969446
--- offset_rsec 26849765.024157047
--- modf(secs) 10575726.929476677