Season Of Birth – Life Cycle Of Hidden Heavenly Stems

Each earthly branch corresponds with a season of birth.

And while each branch represents it’s own element, other elements can prosper within the season.

This also forms the basis of how hidden heavenly stems originate from earthly branches. Take note that the list of hidden stems in basic bazi analysis do have have an exact replica of stems stated in the below table.

Season of birth (四时八节) table

Season	Earthly Branch	Hidden Stems	Element	Duration (in days)
Spring	E3	H5	+ Earth	5
Spring	E3	H3	+ Fire	10
Spring	E3	H1	+ Wood	15
Spring	E4	H1	+ Wood	15
Spring	E4	H2	– Wood	15
Spring	E5	H2	– Wood	7
Spring	E5	H10	– Water	8
Spring	E5	H5	+ Earth	15
Summer	E6	H5	+ Earth	5
Summer	E6	H7	+ Metal	10
Summer	E6	H4	– Fire	15
Summer	E7	H6	– Earth	15
Summer	E7	H4	– Fire	15
Summer	E8	H4	– Fire	7
Summer	E8	H2	– Wood	8
Summer	E8	H6	– Earth	15
Autumn	E9	H5	+ Earth	5
Autumn	E9	H9	+ Water	10
Autumn	E9	H7	+ Metal	15
Autumn	E10	H7	+ Metal	15
Autumn	E10	H8	– Metal	15
Autumn	E11	H8	– Metal	7
Autumn	E11	H3	+ Fire	8
Autumn	E11	H5	+ Earth	15
Winter	E12	H1	+ Wood	15
Winter	E12	H9	+ Water	15
Winter	E1	H9	+ Water	30
Winter	E2	H10	– Water	7
Winter	E2	H8	– Metal	8
Winter	E2	H6	– Earth	15

Legend of earthly branches can be found here.

The above season of birth table is often referred to in bazi analysis to get more specifics that enable deeper readings.