HamSphere 4.0 Contest Calendar
Welcome to the official HamSphere 4.0 contest calendar (Subject to change)

If you have not participated in a Ham Radio contest before, here is an easy guideline
Create your own contests, please send a request to contest@hamsphere.com stating your contest idea and we will listen.
ContestStarts UTCEnds UTCLog Deadline UTCJoin
2022
 North American Winter 24 hour SSB Contest 2022 2022-12-17 00:002022-12-18 00:002022-12-19 00:00
 Four hour series contest stage 6 2022-12-03 00:002022-12-03 04:002022-12-04 00:00
 HamSphere 4.0 Fall CW contest 2022 2022-11-05 04:002022-11-06 04:002022-11-07 04:00
 Four hour series contest stage 5 2022-10-15 20:002022-10-16 00:002022-10-18 00:00
 HamSphere 4.0 Southern Hemisphere 24 Hour SSB contest 2022 2022-09-24 00:002022-09-25 00:002022-09-27 00:00
 HamSphere 4.0 RTTY Contest 2022 2022-08-27 04:002022-08-28 04:002022-08-29 04:00
 Four hour series contest stage 4 2022-08-20 16:002022-08-20 20:002022-08-23 00:00
 HamSphere 4.0 SSTV 24 hour contest 2022 2022-08-13 04:002022-08-14 04:002022-08-17 00:00
 Summer 24 Hour DX SSB Contest 2022 2022-07-30 07:002022-07-31 07:002022-08-03 00:00
 HamSphere 4.0 Summer CW contest 2022 2022-07-16 04:002022-07-17 04:002022-07-19 00:00
 Four hour series contest stage 3 2022-06-11 12:002022-06-11 16:002022-06-14 00:00
 PSK31 24 hour 2022-05-21 07:002022-05-22 07:002022-05-24 00:00
 Four hour series contest stage 2 2022-04-23 08:002022-04-23 12:002022-04-23 18:00
 Latin America & Caribbean 24 hour SSB Contest 2022-04-09 07:002022-04-10 07:002022-04-12 00:00
 HamSphere 4.0 European 24 hour SSB Contest 2022-03-05 07:002022-03-06 07:002022-03-09 00:00
 HamSphere 4.0 All Asia 24 hour SSB Contest 2022-02-19 00:002022-02-20 00:002022-02-23 00:00
 Four hour series contest stage 1  2022-01-29 04:002022-01-29 08:002022-01-30 00:00
 HamSphere 4.0 New Year contest 2022 2022-01-08 00:002022-01-09 00:002022-01-10 00:00
2021
 North American Winter 24 hour SSB Contest 2021 2021-12-11 00:002021-12-12 00:002021-12-14 00:00
 Four hour series contest stage 6 2021-12-04 00:002021-12-04 04:002021-12-07 00:00
 HamSphere 4.0 Fall CW contest 2021 2021-11-06 04:002021-11-07 04:002021-11-09 00:00
 Four hour series contest stage 5 2021-10-02 20:002021-10-03 00:002021-10-05 00:00
 HamSphere 4.0 Southern Hemisphere 24 Hour SSB contest 2021 2021-09-18 00:002021-09-19 00:002021-09-21 00:00
 HamSphere 4.0 RTTY Contest 2021 2021-08-28 04:002021-08-29 04:002021-08-31 00:00
 Four hour series contest stage 4 2021-08-21 16:002021-08-21 20:002021-08-24 00:00
 SSTV 24 hour contest 2021 2021-08-14 04:002021-08-15 04:002021-08-18 00:00
 Late Night DX Summer 24 Hour SSB Contest 2021 2021-07-31 07:002021-08-01 07:002021-08-04 00:00
 HamSphere 4.0 Summer CW contest 2021 2021-07-17 04:002021-07-18 04:002021-07-20 00:00
 Four hour series contest stage 3 2021-06-19 12:002021-06-19 16:002021-06-22 00:00
 PSK31 24 hour 2021-05-22 07:002021-05-23 07:002020-05-25 00:00
 Four hour series contest stage 2 2021-04-24 08:002021-04-24 12:002021-04-24 18:00
 Latin America & Caribbean 24 hour SSB Contest 2021-04-10 07:002021-04-11 07:002021-04-13 00:00
 European 24 hour 2021-03-06 07:002021-03-07 07:002021-03-10 00:00
 All Asia 24 hour 2021-02-13 00:002021-02-14 00:002021-02-16 00:00
 Four hour series contest stage 1  2021-01-30 04:002021-01-30 08:002021-02-02 00:00
 HamSphere 4.0 New Year contest 2021 2021-01-09 00:002021-01-10 00:002021-01-11 00:00
2020
 HamSphere 4.0 Winter CW contest 2020 2020-12-26 04:002020-12-27 04:002020-12-29 00:00
 North American Winter 24 hour 2020 2020-12-12 00:002020-12-13 00:002020-12-15 00:00
 Four hour series contest stage 6 2020-12-05 00:002020-12-05 04:002020-12-07 00:00
 Four hour series contest stage 5 2020-10-03 20:002020-10-04 00:002020-10-06 00:00
 HamSphere 4.0 Southern Hemisphere 24 Hour contest 2020 2020-09-19 00:002020-09-20 00:002020-09-22 00:00
 HamSphere 4.0 RTTY Contest 2020 2020-08-29 04:002020-08-30 04:002020-09-01 00:00
 Four hour series contest stage 4 2020-08-22 16:002020-08-22 20:002020-08-24 00:00
 SSTV 24 hour contest 2020 2020-08-15 04:002020-08-16 04:002020-08-18 00:00
 Late Night DX Summer 24 Hour Contest 2020 2020-08-01 07:002020-08-02 07:002020-08-05 00:00
 HamSphere 4.0 Summer CW contest 2020 2020-07-25 04:002020-07-26 04:002020-07-28 00:00
 Four hour series contest stage 3 2020-06-27 12:002020-06-27 16:002020-06-29 00:00
 PSK31 24 hour 2020-05-23 07:002020-05-24 07:002020-05-26 00:00
 Four hour series contest stage 2  2020-04-25 08:002020-04-25 11:592020-04-27 00:00
 Latin America & Carribean 24 hour 2020-04-11 07:002020-04-12 07:002020-04-14 00:00
 European 24 hour 2020-03-07 07:002020-03-08 07:002020-03-11 00:00
 All Asia 24 hour 2020-02-15 00:002020-02-16 00:002020-02-18 00:00
 Four hour series contest stage 1 2020-02-01 04:002020-02-01 08:002020-02-03 00:00
 New Year contest 2020 2020-01-08 00:002020-01-09 00:002020-01-10 00:00
2019
 HamSphere 4.0 Winter CW contest 2019 2019-12-28 04:002019-12-29 03:592020-01-04 23:59
 The North American Winter Contest 2019 2019-12-14 00:002019-12-14 23:592019-12-19 23:59
 HamSphere 4.0 4-hour series contest stage 6 2019-12-08 00:002019-12-08 03:592019-12-13 23:59
 Late Night DX Gang Worldwide Prefixes contest 2019 2019-11-23 00:002019-11-24 23:592019-11-29 23:59
 HamSphere 4.0 VHF/UHF Relay Sprint 2019 2019-11-09 16:002019-11-09 17:592019-11-14 23:59
 HamSphere 4.0 Russian Federation Contest 2019 2019-10-26 07:002019-10-27 06:592019-11-01 23:59
 HamSphere 4.0 4-hour series contest stage 5 2019-10-05 20:002019-10-05 23:592019-10-10 23:59
 HamSphere 4.0 Southern Hemisphere contest 2019 2019-09-21 00:002019-09-21 23:592019-09-27 23:59
 HamSphere 4.0 RTTY Contest 2019 2019-08-31 04:002019-09-01 03:592019-09-06 23:59
 HamSphere 4.0 4-hour series contest stage 4 2019-08-24 16:002019-08-24 19:592019-08-29 23:59
 HamSphere 4.0 SSTV contest 2019 2019-08-17 04:002019-08-18 03:592019-08-23 23:59
 HamSphere 4.0 British contest 2019 2019-08-03 07:002019-08-04 06:592019-08-09 23:00
 HamSphere 4.0 Summer CW contest 2019 2019-07-27 04:002019-07-28 03:592019-08-02 23:59
 HamSphere 4.0 French DX contest 2019 2019-07-13 07:002019-07-14 06:592019-07-19 23:59
 HamSphere 4.0 4-hour series contest stage 3 2019-06-29 12:002019-06-29 15:592019-07-04 23:59
 HamSphere 4.0 Mediterranean contest 2019 2019-06-08 10:002019-06-09 09:592019-06-14 23:59
 HamSphere 4.0 PSK31 contest 2019 2019-05-25 04:002019-05-26 03:592019-05-31 23:59
 HamSphere 4.0 CIS & Baltic May Day contest 2019 2019-05-04 04:002019-05-05 03:592019-05-10 23:59
 HamSphere 4.0 4-hour series contest stage 2 2019-04-27 08:002019-04-27 11:592019-05-02 23:59
 HamSphere 4.0 Latin America and Caribbeans contest 2019 2019-04-06 07:002019-04-07 06:592019-04-12 23:59
 HamSphere 4.0 Pacific Ocean Contest 2019 2019-03-23 00:002019-03-23 23:592019-03-28 23:59
 Late Night DX Gang European Union Open Championship 2019 2019-03-09 07:002019-03-10 06:592019-03-15 23:59
 HamSphere 4.0 All Asia DX contest 2019 2019-02-16 00:002019-02-16 23:592019-02-19 23:59
 HamSphere 4.0 4-hour series contest stage 1 2019-02-02 04:002019-02-02 07:592019-02-07 23:59
 HamSphere 4.0 Benelux contest 2019 2019-01-19 07:002019-01-20 06:592019-01-24 23:59
 HamSphere 4.0 New Year contest 2019 2019-01-05 00:002019-01-05 23:592019-01-08 23:59
2018
 HamSphere 4.0 Winter CW contest 2018 2018-12-29 04:002018-12-30 03:592019-01-03 23:59
 The North American Winter Contest 2018 2018-12-15 00:002018-12-15 23:592018-12-20 23:59
 HamSphere 4.0 4-hour series contest stage 6 2018-12-08 20:002018-12-08 23:592018-12-12 23:59
 Late Night DX Gang Worldwide Prefixes contest 2018 2018-11-24 00:002018-11-25 23:592018-11-29 23:59
 HamSphere 4.0 VHF/UHF Relay Sprint 2018 2018-11-10 16:002018-11-10 17:592018-11-14 23:59
 HamSphere 4.0 Russian Federation Contest 2018 2018-10-27 07:002018-10-28 06:592018-10-30 23:59
 HamSphere 4.0 4-hour series contest stage 5 2018-10-06 16:002018-10-06 19:592018-10-10 23:59
 HamSphere 4.0 Southern Hemisphere contest 2018 2018-09-22 00:002018-09-22 23:592018-09-26 23:59
 HamSphere 4.0 RTTY Contest 2018 2018-09-01 04:002018-09-02 03:592018-09-06 23:59
 HamSphere 4.0 4-hour series contest stage 4 2018-08-25 12:002018-08-25 15:592018-08-29 23:59
 HamSphere 4.0 SSTV contest 2018 2018-08-18 04:002018-08-19 03:592018-08-22 23:59
 HamSphere 4.0 British contest 2018 2018-08-04 07:002018-08-05 06:592018-08-09 23:59
 HamSphere 4.0 Summer CW contest 2018 2018-07-21 04:002018-07-22 03:592018-07-26 23:59
 HamSphere 4.0 French DX contest 2018 2018-07-14 07:002018-07-15 06:592018-07-19 23:59
 HamSphere 4.0 4-hour series contest stage 3 2018-06-30 08:002018-06-30 11:592018-07-04 23:59
 HamSphere 4.0 Summer contest 2018 2018-06-09 00:002018-06-10 23:592018-06-14 23:59
 HamSphere 4.0 PSK31 contest 2018 2018-05-26 04:002018-05-27 03:592018-05-30 23:59
 HamSphere 4.0 CIS & Baltic May Day contest 2018 2018-05-05 04:002018-05-06 03:592018-05-09 23:59
 HamSphere 4.0 4-hour series contest stage 2 2018-04-28 04:002018-04-28 07:592018-05-02 23:59
 HamSphere 4.0 Latin America and Caribbeans contest 2018 2018-04-07 07:002018-04-08 06:592018-04-11 23:59
 HamSphere 4.0 Pacific Ocean Contest 2018 2018-03-24 00:002018-03-24 23:592018-03-28 23:59
 Late Night DX Gang European Union Open Championship 2018 2018-03-10 07:002018-03-11 06:592018-03-14 23:59
 HamSphere 4.0 4-hour series contest stage 1 2018-02-24 00:002018-02-24 03:592018-02-27 23:59
 HamSphere 4.0 All Asia DX contest 2018 2018-02-17 00:002018-02-17 23:592018-02-20 23:59
 HamSphere 4.0 Benelux contest 2018 2018-01-20 00:002018-01-20 23:592018-01-23 23:59
 HamSphere 4.0 New Year Contest 2018 2018-01-06 00:002018-01-06 23:592018-01-09 23:59
2017
 The North American Winter Contest 2017 2017-12-16 00:002017-12-17 23:592017-12-18 23:59
 Late Night DX Gang Worldwide Prefixes contest 2017 2017-11-25 00:002017-11-26 23:592017-11-27 23:59
 HamSphere 4.0 Russian Federation Contest 2017 2017-10-28 00:002017-10-28 23:592017-10-30 23:59
 HamSphere 4.0 Southern Hemisphere contest 2017 2017-09-23 00:002017-09-23 23:592017-09-24 23:59
 HamSphere 4.0 CW Contest 2017 2017-09-02 00:002017-09-02 23:592017-09-03 23:59
 HamSphere 4.0 British contest 2017 2017-08-05 00:002017-08-05 23:592017-08-07 23:59
 HamSphere 4.0 French DX contest 2017 2017-07-15 00:002017-07-15 23:592017-07-16 23:59
 HamSphere 4.0 Summer Contest 2017 2017-06-10 00:002017-06-11 23:592017-06-12 23:59
 HamSphere 4.0 CIS & Baltic May Day contest 2017-05-06 00:002017-05-06 23:592017-05-07 23:59
 HamSphere 4.0 Spring Contest 2017 2017-04-08 00:002017-04-09 23:592017-04-10 23:59
 HamSphere 4.0 Pacific Ocean Contest 2017 2017-03-25 00:002017-03-25 23:592017-03-26 23:59
 Late Night DX Gang European Union Open Championship 2017 2017-03-04 00:012017-03-04 23:592017-03-05 23:59
 HamSphere 4.0 All Asia DX contest 2017 2017-02-18 00:002017-02-18 23:592017-02-19 23:59
 HamSphere 4.0 New Year Contest 2017 2017-01-14 00:002017-01-14 23:592017-01-15 23:59
2016
 The North American High Frequency Contest 2016 2016-12-17 00:002016-12-17 23:592016-12-19 00:00
 The North American Low Frequency Contest 2016 2016-12-03 00:002016-12-03 23:592016-12-05 00:00
 Late Night DX Gang Worldwide Prefixes contest 2016 2016-11-19 00:002016-11-20 23:592016-11-21 00:00
 HamSphere 4.0 CW Contest 2016 2016-09-03 00:002016-09-04 00:002016-09-05 00:00
 HamSphere 4.0 French DX contest 2016 2016-07-16 00:002016-07-17 23:592016-07-19 00:00
 HamSphere 4.0 CIS & Baltic May Day contest 2016-05-07 00:002016-05-07 23:592016-05-10 00:00
 HamSphere 4.0 Spring Contest 2016 2016-04-09 00:002016-04-10 23:592016-04-12 00:00
2015
 The North American Fall Classic 2015-12-05 00:002015-12-05 23:592015-12-09 00:00
 Late Night DX Gang Worldwide Prefixes contest 2015 2015-11-21 00:002015-11-21 23:592015-11-23 00:00
 The North American Fall Challenge 2015-11-07 00:002015-11-08 23:592015-11-10 00:00
 HamSphere 4.0 VHF/UHF Relay Sprint 2015-09-26 14:002015-09-26 16:002015-09-27 12:00
 HamSphere 4.0 RDF Contest 2015 2015-09-12 00:002015-09-20 07:002015-09-22 07:00
 HamSphere 4.0 CW Contest 2015 2015-09-05 00:002015-09-05 23:592015-09-08 00:00
 Independence Day of Indonesia HamSphere 4.0 Contest 2015  2015-08-17 00:002015-08-17 23:592015-08-20 00:00
 HamSphere 4th of July Contest 2015 HS4 2015-07-04 00:002015-07-04 23:592015-07-07 00:00
 HamSphere 4.0 CIS & Baltic May Day contest 2015-05-02 00:002015-05-02 23:592015-05-05 00:00
 East & South East Asia Lunar New Year Contest 2015 2015-02-19 00:002015-02-20 23:592015-02-25 00:00
 HamSphere 4 New Year Contest 2015 2015-01-01 09:002015-01-02 08:592015-01-03 00:00