Note: With the current pandemic, limited flights. According to Singpost, total
transition time is approx, 2 ~ 3 weeks (in normal times).
The total
transition time currently is approx,1 - 2 months (in current pandemic).
Singpost
officer that stated at times, items will be stuck in the post office
for weeks before they are able to slot the items into next available
flights.
Thanks for understanding