Japan
JST
Puerto Rico
AST

Time Difference

JST (Japan Standard Time) is 13 hours ahead of AST (Atlantic Standard Time)
4:30 am04:30 in Kozakai-cho, Japan is 3:30 pm15:30 in San Juan, Puerto Rico

Kozakai-cho to San Juan call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in Kozakai-cho which corresponds to 6:30am-8:30am in San Juan

4:30 am04:30 JST (Japan Standard Time) (Kozakai-cho, Japan). Offset UTC +9:00 hours
3:30 pm15:30 AST (Atlantic Standard Time) (San Juan, Puerto Rico). Offset UTC -4:00 hours

4:30 am04:30 Kozakai-cho, Japan / 3:30 pm15:30 San Juan, Puerto Rico

Kozakai-cho, Japan San Juan, Puerto Rico
12am (midnight) 11am
1am 12pm (noon)
2am 1pm
3am 2pm
4am 3pm
5am 4pm
6am 5pm
7am 6pm
8am 7pm
9am 8pm
10am 9pm
11am 10pm
12pm (noon) 11pm
1pm 12am (midnight)
2pm 1am
3pm 2am
4pm 3am
5pm 4am
6pm 5am
7pm 6am
8pm 7am
9pm 8am
10pm 9am
11pm 10am
0:00 11:00
1:00 12:00
2:00 13:00
3:00 14:00
4:00 15:00
5:00 16:00
6:00 17:00
7:00 18:00
8:00 19:00
9:00 20:00
10:00 21:00
11:00 22:00
12:00 23:00
13:00 0:00
14:00 1:00
15:00 2:00
16:00 3:00
17:00 4:00
18:00 5:00
19:00 6:00
20:00 7:00
21:00 8:00
22:00 9:00
23:00 10:00

Kozakai-cho Information

Time Zone

Abbreviation / Name
JST - Japan Standard Time
UTC / GMT Offset
+9:00 hours during Japan Standard Time, currently in use.

Kozakai-cho Facts

Country
Japan
Alternative Names
Kozakai, Kozakai-cho, Kozakai-chō, kozakaichou, xiao ban jing ding, こざかいちょう, 小坂井町
Population
22,064
Currency
Yen (JPY)
Geographic Coordinates
34° 47' N Latitude / 137° 21' E Longitude
International Dialing Code
+81

San Juan Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

San Juan Facts

Country
Puerto Rico
Alternative Names
Caparra, Ciudad de Puerto Rico, Portorico, Prico, Puerto Rico, SJU, Saint Iuan, Saint John de Porto Rico, Sainte Jean de Porto-rico, San Chouan, San Chuanas, San Huan, San Ian de Porto Rico, San Ioanni, San Jean de Portorico, San Juan, San Juan Batista de Puerto Rico, San Juan Bautistade de Puerto Rico, San Juan de Puerto Rico, San Khuan, San Xoan, San Xoán, San Xuan, San-Juano, San-Khuan, Sanhuana, The City of Saint John, Ville de Porto-Rico, Ville de Sainte Jean de Porto Rico, can van, saenhwan, san hwn, san khwan, san-khuani, sana hu'ana, sana huraana, sanfuan, sanhuan, sheng hu an, Σαν Χουάν, Сан Хуан, Сан-Хуан, Սան Խուան, סן חואן, سان خوآن, سان خوان, सान हुआन, সান হুৱান, ਸਾਨ ਹੁਆਨ, சான் வான், ซานฮวน, სან-ხუანი, サンフアン, 圣胡安, 산후안, 샌환
Population
418,140
Currency
Dollar (USD)
Geographic Coordinates
18° 27' N Latitude / 66° 06' W Longitude