{"id":"vidhyamitra:city-day:jammu:1981-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jammu/1981-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-31","date_display":"July 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":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444816.770833,"kali_year":5083,"ahargana":1856351.2708,"sun":{"sidereal_longitude":103.6764,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":103.883,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.2066,"elapsed_within_tithi_degrees":0.2066},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.883,"elapsed_within_degrees":10.5496},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.5593},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444816.770833,"ahargana":1856351.2708,"kali_year":5083,"ayanamsa_lahiri":23.5957,"grahas":{"sun":{"sidereal_longitude":104.16337799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":102.594378,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":0.1809},"mars":{"sidereal_longitude":75.14977799999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":93.199678,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":162.64767800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":134.46337799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":161.59547799999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.5763,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.5763,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444816.770833,"kali_year":5083,"ahargana":1856351.2708,"sun":{"sidereal_longitude":103.6764,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":103.883,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.2066,"elapsed_within_tithi_degrees":0.2066},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":103.883,"elapsed_within_degrees":10.5496},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.5593},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.181,"opposition_distance":179.793}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":0,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"05:43","sunsetLocal":"19:30","solarNoonLocal":"12:37","dayLengthHours":13.781409662290045,"dayLengthDisplay":"13 Hours 46 Mins 53 Secs","nightLengthDisplay":"10 Hours 13 Mins 07 Secs","moonriseLocal":"05:37","moonsetLocal":"19:24","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:37","startHours":10.888046700752927,"endHours":12.61072290853918,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:03","end":"17:47","startHours":16.056075324111692,"endHours":17.77875153189795,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:27","end":"09:10","startHours":7.442694285180415,"endHours":9.16537049296667,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:24","startHours":8.935680331928502,"endHours":9.395060654004837,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:40","startHours":6.294243479989578,"endHours":6.6617477376506455,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"13:04","startHours":12.151342586462846,"endHours":13.070103230615516,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:48","startHours":3.88249678908882,"endHours":4.8012574332414895,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:34","end":"05:43","startHours":4.571567272203322,"endHours":5.720018077394159,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:50","startHours":14.907624518920855,"endHours":15.826385163073525,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:18","end":"19:42","startHours":19.301427739684204,"endHours":19.701427739684203,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:30","end":"20:05","startHours":19.501427739684203,"endHours":20.07565314227962,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:15","end":"21:00","startHours":19.251427739684203,"endHours":21.001427739684203,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"01:04","startHours":24.151342586462846,"endHours":25.070103230615516,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:43","end":"07:27","startHours":5.720018077394159,"endHours":7.442694285180415,"quality":"neutral"},{"name":"Labha","start":"07:27","end":"09:10","startHours":7.442694285180415,"endHours":9.16537049296667,"quality":"auspicious"},{"name":"Amṛta","start":"09:10","end":"10:53","startHours":9.16537049296667,"endHours":10.888046700752927,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:37","startHours":10.888046700752927,"endHours":12.61072290853918,"quality":"inauspicious"},{"name":"Śubha","start":"12:37","end":"14:20","startHours":12.61072290853918,"endHours":14.333399116325438,"quality":"auspicious"},{"name":"Roga","start":"14:20","end":"16:03","startHours":14.333399116325438,"endHours":16.056075324111692,"quality":"inauspicious"},{"name":"Udveg","start":"16:03","end":"17:47","startHours":16.056075324111692,"endHours":17.77875153189795,"quality":"inauspicious"},{"name":"Chala","start":"17:47","end":"19:30","startHours":17.77875153189795,"endHours":19.501427739684203,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:30","end":"20:47","startHours":19.501427739684203,"endHours":20.778751531897946,"quality":"inauspicious"},{"name":"Udveg","start":"20:47","end":"22:03","startHours":20.778751531897946,"endHours":22.056075324111692,"quality":"inauspicious"},{"name":"Chala","start":"22:03","end":"23:20","startHours":22.056075324111692,"endHours":23.333399116325438,"quality":"neutral"},{"name":"Labha","start":"23:20","end":"00:37","startHours":23.333399116325438,"endHours":24.61072290853918,"quality":"auspicious"},{"name":"Amṛta","start":"00:37","end":"01:53","startHours":24.61072290853918,"endHours":25.888046700752923,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:10","startHours":25.888046700752923,"endHours":27.16537049296667,"quality":"inauspicious"},{"name":"Śubha","start":"03:10","end":"04:27","startHours":27.16537049296667,"endHours":28.442694285180416,"quality":"auspicious"},{"name":"Roga","start":"04:27","end":"05:43","startHours":28.442694285180416,"endHours":29.72001807739416,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:43","end":"06:43","startHours":5.720018077394159,"endHours":6.720018077394159,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:43","end":"07:43","startHours":6.720018077394159,"endHours":7.720018077394159,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:43","end":"08:43","startHours":7.720018077394159,"endHours":8.720018077394158,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:43","end":"09:43","startHours":8.720018077394158,"endHours":9.720018077394158,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:43","end":"10:43","startHours":9.720018077394158,"endHours":10.720018077394158,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:43","end":"11:43","startHours":10.720018077394158,"endHours":11.720018077394158,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:43","end":"12:43","startHours":11.720018077394158,"endHours":12.720018077394158,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:43","end":"13:43","startHours":12.720018077394158,"endHours":13.720018077394158,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:43","end":"14:43","startHours":13.720018077394158,"endHours":14.720018077394158,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:43","end":"15:43","startHours":14.720018077394158,"endHours":15.720018077394158,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:43","end":"16:43","startHours":15.720018077394158,"endHours":16.72001807739416,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:43","end":"17:43","startHours":16.72001807739416,"endHours":17.72001807739416,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:43","end":"18:43","startHours":17.72001807739416,"endHours":18.72001807739416,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:43","end":"19:43","startHours":18.72001807739416,"endHours":19.72001807739416,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:43","end":"20:43","startHours":19.72001807739416,"endHours":20.72001807739416,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:43","end":"21:43","startHours":20.72001807739416,"endHours":21.72001807739416,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:43","end":"22:43","startHours":21.72001807739416,"endHours":22.72001807739416,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:43","end":"23:43","startHours":22.72001807739416,"endHours":23.72001807739416,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:43","end":"00:43","startHours":23.72001807739416,"endHours":24.72001807739416,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:43","end":"01:43","startHours":24.72001807739416,"endHours":25.72001807739416,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:43","end":"02:43","startHours":25.72001807739416,"endHours":26.72001807739416,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:43","end":"03:43","startHours":26.72001807739416,"endHours":27.72001807739416,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:43","end":"04:43","startHours":27.72001807739416,"endHours":28.72001807739416,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:43","end":"05:43","startHours":28.72001807739416,"endHours":29.72001807739416,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.32727153307736,"eotMinutes":-6.071374512350812,"ayanamsa":23.5957}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pratipada · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 July 31, 1981 CE · Jammu, J&K · Vidhyamitra","description":"July 31, 1981 CE for Jammu, J&K: Śukla Pratipada, sūryodaya 05:43, sūryāsta 19:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jammu/1981-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jammu/1981-07-31","sa":"https://sa.vidhyamitra.com/city/jammu/1981-07-31","hi":"https://hi.vidhyamitra.com/city/jammu/1981-07-31","x-default":"https://vidhyamitra.com/city/jammu/1981-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:09:35.387Z","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":"2026-06-02T15:09:35.387Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:09:35.387Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}