Probably a couple of days.
1 to 14 days or more
3-5 days
about 5 to 7 days
Depends on where you are... You can receive mail from Japan as easy as you can from the US.
Yes, Yes it is. All forms of mail are delivered on Saturday in Japan.
a year! Unless you use registered mail, UPS, or Fed Ex it.
If you e-mail it, $0.00.
I've sent my deployed Marine a care package and it took about 2 weeks for it to get there.
No. Singapore is an independent country since 1965. It is not a part of Japan. So if you want to mail to Singapore, just put Singapore and the address.
Just a week on average, it goes airmail. It can take as long as 2 weeks.
The USPS will not estimate such delivery time; they state that delivery times "Vary" for First Class Mail.
It took me exactly 11 days to receive parcel posted from Virginia. I live in Gunma Prefecture.