Seoul vs Tokyo

The differences

Seoul and Tokyo keep the same clock all year.
Prices in South Korea run about 10% below Japan (World Bank price level 61.9 vs 69, US = 100).
Comfortable months (score 6.5+): Seoul 5 (April–June, September–October); Tokyo 5 (April–June, October–November).

Team in	Seoul	Tokyo
US Eastern	0 h their day 23:00–07:00	0 h their day 23:00–07:00
US Pacific	0–1 h their day 02:00–10:00 (next day)	0–1 h their day 02:00–10:00 (next day)
UK	0 h their day 18:00–02:00	0 h their day 18:00–02:00
Central Europe	0–1 h their day 17:00–01:00	0–1 h their day 17:00–01:00
Price level	Prices moderate · 62	Prices moderate · 69
Comfortable months	5: April–June, September–October	5: April–June, October–November

Month	Seoul high / low	Tokyo high / low	Rain
Jan	0.0 2° / -6°	1.2 10° / 1°	17 / 51 mm
Feb	0.0 5° / -4°	2.1 11° / 2°	23 / 56 mm
Mar	1.6 11° / 1°	4.5 14° / 5°	40 / 100 mm
Apr	8.1 18° / 7°	8.7 20° / 10°	69 / 115 mm
May	9.5 23° / 13°	8.7 24° / 14°	90 / 140 mm
Jun	8.2 27° / 18°	7.6 26° / 19°	122 / 174 mm
Jul	3.8 29° / 22°	4.1 30° / 23°	345 / 167 mm
Aug	3.1 30° / 22°	2.7 31° / 24°	299 / 153 mm
Sep	8.9 26° / 17°	6.3 28° / 20°	127 / 196 mm
Oct	9.9 20° / 9°	7.4 22° / 14°	50 / 218 mm
Nov	2.8 12° / 2°	7.6 17° / 8°	47 / 80 mm
Dec	0.0 4° / -5°	3.4 12° / 3°	22 / 57 mm