The Jewish lunar months and their approximate solar equivalents are as follows:
Nisan (March/April)
Iyar (April/May)
Sivan (May/June)
Tammuz (June/July)
Av (July/August)
Elul (August/September)
Tishrei (September/October)
Cheshvan (October/November, also called Marcheshvan,)
Kislev (November/December)
Tevet (December/January)
Shevat (January/February)
Adar (February/March, in a leap year there are two Adars, Adar I and Adar II)