Very good question.
It is worded like "having ascended
from [G575 - apo] the rising
OF THE sun" (not "from the rising sun" by the way
).
The word
"G575 - apo" can be used (is used sometimes) in relation to
"TIME," such as in the following verses:
--Revelation 16:18 - "not since [G575] men were upon the earth"
--2 Peter 3:4 - "for since [G575] the fathers fell asleep"
--Colossians 1:9 - "since [G575] the day we heard
it"
--Acts 24:11 - "not more than 12 days since [G575] I went up to worship in Jerusalem"
--Acts 15:7 - "... 'Men, brothers, you know that
from [G575] the early days God chose among you
for the Gentiles to hear by my mouth...'"
--Luke 24:21 - "...this brings the third day since/
away from [G575] which these things came to pass"
--Luke 13:25 - "When [
or, From G575] once the master of the house has risen..."
--Luke 13:7 - "...throughout [or, from G575] these three years"
--Luke 7:45 - "...since/from [G575] the time I came in..."
… then we can consider the differences (in OT Scriptures) between where it says, "
toward the rising of the sun" (in verses describing
"LOCATIONS") from that of ones that say, "
from the rising of the sun" (where sometimes the context refers to
"TIME / DURATION"):
--Joshua 12:1 - "LOCATION"
--Psalm 113:3 - "TIME/DURATION" - "from the rising of the sun, to the going down of the same"
--Isaiah 45:6 (
since the verse includes the word/idea of "west/westward" also) - "LOCATION"
See the distinction?