{"id":"vidhyamitra:city-day:jammu:1981-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jammu/1981-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-31","date_display":"January 31, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444635.770833,"kali_year":5082,"ahargana":1856170.2708,"sun":{"sidereal_longitude":287.551,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":228.8675,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":301.3166,"elapsed_within_tithi_degrees":1.3166},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.8675,"elapsed_within_degrees":2.2009},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.4185},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444635.770833,"ahargana":1856170.2708,"kali_year":5082,"ayanamsa_lahiri":23.5887,"grahas":{"sun":{"sidereal_longitude":287.494194,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":228.920794,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":3.9833},"mars":{"sidereal_longitude":301.24929399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":305.881794,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.79189399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":271.41919400000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":165.83269399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":111.1665,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.1665,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444635.770833,"kali_year":5082,"ahargana":1856170.2708,"sun":{"sidereal_longitude":287.551,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":228.8675,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":301.3166,"elapsed_within_tithi_degrees":1.3166},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.8675,"elapsed_within_degrees":2.2009},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.4185},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.983,"elongation":58.683},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.983,"opposition_distance":121.317}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":5,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"jammu","name":"Jammu, J&K","lat":32.7266,"lon":74.857,"tz_offset_hours":5.5,"state":"J&K","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jammu","name":"Jammu, J&K","lat":32.7266,"lon":74.857,"tz_offset_hours":5.5,"state":"J&K","country":"IN","tier":"tier-1"},"sunriseLocal":"07:26","sunsetLocal":"18:02","solarNoonLocal":"12:44","dayLengthHours":10.587564725924828,"dayLengthDisplay":"10 Hours 35 Mins 15 Secs","nightLengthDisplay":"13 Hours 24 Mins 45 Secs","moonriseLocal":"03:48","moonsetLocal":"13:52","rahuKala":{"name":"Rāhu Kāla","start":"10:05","end":"11:25","startHours":10.088135294216162,"endHours":11.411580884956765,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:04","end":"15:23","startHours":14.058472066437972,"endHours":15.381917657178576,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:26","end":"08:46","startHours":7.441244112734954,"endHours":8.764689703475558,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:16","startHours":9.911675882117414,"endHours":10.264594706314908,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:53","end":"08:10","startHours":7.882392642981822,"endHours":8.164727702339817,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:05","startHours":12.382107651499872,"endHours":13.087945299894862,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:02","end":"06:44","startHours":6.029568815944977,"endHours":6.735406464339966,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:34","end":"07:26","startHours":6.558947052241218,"endHours":7.441244112734954,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:12","startHours":14.499620596684839,"endHours":15.205458245079827,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.828808838659782,"endHours":18.22880883865978,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:28","startHours":18.02880883865978,"endHours":18.46995736890665,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.77880883865978,"endHours":19.52880883865978,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:05","startHours":24.382107651499872,"endHours":25.087945299894862,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:26","end":"08:46","startHours":7.441244112734954,"endHours":8.764689703475558,"quality":"inauspicious"},{"name":"Śubha","start":"08:46","end":"10:05","startHours":8.764689703475558,"endHours":10.088135294216162,"quality":"auspicious"},{"name":"Roga","start":"10:05","end":"11:25","startHours":10.088135294216162,"endHours":11.411580884956765,"quality":"inauspicious"},{"name":"Udveg","start":"11:25","end":"12:44","startHours":11.411580884956765,"endHours":12.735026475697367,"quality":"inauspicious"},{"name":"Chala","start":"12:44","end":"14:04","startHours":12.735026475697367,"endHours":14.058472066437972,"quality":"neutral"},{"name":"Labha","start":"14:04","end":"15:23","startHours":14.058472066437972,"endHours":15.381917657178576,"quality":"auspicious"},{"name":"Amṛta","start":"15:23","end":"16:42","startHours":15.381917657178576,"endHours":16.705363247919177,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:02","startHours":16.705363247919177,"endHours":18.02880883865978,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:02","end":"19:42","startHours":18.02880883865978,"endHours":19.705363247919177,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:23","startHours":19.705363247919177,"endHours":21.381917657178576,"quality":"auspicious"},{"name":"Kāla","start":"21:23","end":"23:04","startHours":21.381917657178576,"endHours":23.05847206643797,"quality":"inauspicious"},{"name":"Śubha","start":"23:04","end":"00:44","startHours":23.05847206643797,"endHours":24.735026475697367,"quality":"auspicious"},{"name":"Roga","start":"00:44","end":"02:25","startHours":24.735026475697367,"endHours":26.411580884956763,"quality":"inauspicious"},{"name":"Udveg","start":"02:25","end":"04:05","startHours":26.411580884956763,"endHours":28.08813529421616,"quality":"inauspicious"},{"name":"Chala","start":"04:05","end":"05:46","startHours":28.08813529421616,"endHours":29.764689703475558,"quality":"neutral"},{"name":"Labha","start":"05:46","end":"07:26","startHours":29.764689703475558,"endHours":31.441244112734953,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:26","end":"08:26","startHours":7.441244112734954,"endHours":8.441244112734953,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:26","end":"09:26","startHours":8.441244112734953,"endHours":9.441244112734953,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:26","end":"10:26","startHours":9.441244112734953,"endHours":10.441244112734953,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:26","end":"11:26","startHours":10.441244112734953,"endHours":11.441244112734953,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:26","end":"12:26","startHours":11.441244112734953,"endHours":12.441244112734953,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:26","end":"13:26","startHours":12.441244112734953,"endHours":13.441244112734953,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:26","end":"14:26","startHours":13.441244112734953,"endHours":14.441244112734953,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:26","end":"15:26","startHours":14.441244112734953,"endHours":15.441244112734953,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:26","end":"16:26","startHours":15.441244112734953,"endHours":16.441244112734953,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:26","end":"17:26","startHours":16.441244112734953,"endHours":17.441244112734953,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:26","end":"18:26","startHours":17.441244112734953,"endHours":18.441244112734953,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:26","end":"19:26","startHours":18.441244112734953,"endHours":19.441244112734953,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:26","end":"20:26","startHours":19.441244112734953,"endHours":20.441244112734953,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:26","end":"21:26","startHours":20.441244112734953,"endHours":21.441244112734953,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:26","end":"22:26","startHours":21.441244112734953,"endHours":22.441244112734953,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:26","end":"23:26","startHours":22.441244112734953,"endHours":23.441244112734953,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:26","end":"00:26","startHours":23.441244112734953,"endHours":24.441244112734953,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:26","end":"01:26","startHours":24.441244112734953,"endHours":25.441244112734953,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:26","end":"02:26","startHours":25.441244112734953,"endHours":26.441244112734953,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:26","end":"03:26","startHours":26.441244112734953,"endHours":27.441244112734953,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:26","end":"04:26","startHours":27.441244112734953,"endHours":28.441244112734953,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:26","end":"05:26","startHours":28.441244112734953,"endHours":29.441244112734953,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:26","end":"06:26","startHours":29.441244112734953,"endHours":30.441244112734953,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:26","end":"07:26","startHours":30.441244112734953,"endHours":31.441244112734953,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.445270925974306,"eotMinutes":-13.52958854184206,"ayanamsa":23.5887}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ekādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"jammu"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 1981 CE · Jammu, J&K · Vidhyamitra","description":"January 31, 1981 CE for Jammu, J&K: Kṛṣṇa Ekādaśī, sūryodaya 07:26, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jammu/1981-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jammu/1981-01-31","sa":"https://sa.vidhyamitra.com/city/jammu/1981-01-31","hi":"https://hi.vidhyamitra.com/city/jammu/1981-01-31","x-default":"https://vidhyamitra.com/city/jammu/1981-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:39:38.074Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-02T16:39:38.074Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:39:38.074Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}