Symbols thumb|The calendula alt=An opal armband. Opal is the birthstone for October.|thumb|An opal armband. Opal is the birthstone for October.alt=Cut tourmaline|thumb|Cut tourmalineOctober's birthstones are the tourmaline and opal. Its birth flower is the calendula. The zodiac signs are Libra (until October 22) and Scorpio (from October 23 onward).The Earth passes the junction of the signs at 22:59 UT/GMT October 22, 2020, and will pass it again at 04:51 UT/GMT October 23, 2021.. Signs in UT/GMT for 1950–2030.
Symbols thumb|The calendula alt=An opal armband. Opal is the birthstone for October.|thumb|An opal armband. Opal is the birthstone for October.alt=Cut tourmaline|thumb|Cut tourmalineOctober's birthstones are the tourmaline and opal. Its birth flower is the calendula The zodiac signs are Libra (until October 22) and Scorpio (from October 23 onward).The Earth passes the junction of the signs at 22:59 UT/GMT October 22, 2020, and will pass it again at 04:51 UT/GMT October 23, 2021.. Signs in UT/GMT for 1950–2030.