{"id":"vidhyamitra:city-day:kozhikode:1981-07-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/1981-07-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-25","date_display":"July 25, 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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444810.770833,"kali_year":5083,"ahargana":1856345.2708,"sun":{"sidereal_longitude":97.9783,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":17.8536,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.8753,"elapsed_within_tithi_degrees":3.8753},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.8536,"elapsed_within_degrees":4.5202},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.8318},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":7,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444810.770833,"ahargana":1856345.2708,"kali_year":5083,"ayanamsa_lahiri":23.5954,"grahas":{"sun":{"sidereal_longitude":98.42850699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":16.814707,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-4.4756},"mars":{"sidereal_longitude":71.14200700000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":81.99660699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":161.73400700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":127.23290700000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":161.119507,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.8942,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.8942,"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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444810.770833,"kali_year":5083,"ahargana":1856345.2708,"sun":{"sidereal_longitude":97.9783,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":17.8536,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.8753,"elapsed_within_tithi_degrees":3.8753},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.8536,"elapsed_within_degrees":4.5202},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.8318},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.476,"elongation":80.125},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.476,"opposition_distance":99.875}},"eclipse_window_40days":[{"offset_days":-8,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":6,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"kozhikode","name":"Kozhikode (Calicut), Kerala","lat":11.2588,"lon":75.7804,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kozhikode","name":"Kozhikode (Calicut), Kerala","lat":11.2588,"lon":75.7804,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tier-1"},"sunriseLocal":"06:13","sunsetLocal":"18:53","solarNoonLocal":"12:33","dayLengthHours":12.665860691704228,"dayLengthDisplay":"12 Hours 39 Mins 57 Secs","nightLengthDisplay":"11 Hours 20 Mins 03 Secs","moonriseLocal":"00:52","moonsetLocal":"13:21","rahuKala":{"name":"Rāhu Kāla","start":"09:23","end":"10:58","startHours":9.38446901261478,"endHours":10.96770159907781,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:08","end":"15:43","startHours":14.134166772003866,"endHours":15.717399358466896,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:13","end":"07:48","startHours":6.218003839688723,"endHours":7.8012364261517515,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:36","startHours":9.17337133441971,"endHours":9.59556669080985,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:05","startHours":6.745748035176399,"endHours":7.083504320288512,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:58","startHours":12.128738829150697,"endHours":12.973129541930978,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:22","startHours":4.52922241412816,"endHours":5.373613126908442,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:13","startHours":5.162515448713371,"endHours":6.218003839688723,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:30","startHours":14.661910967491542,"endHours":15.506301680271823,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.683864531392953,"endHours":19.08386453139295,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:25","startHours":18.883864531392952,"endHours":19.41160872688063,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.633864531392952,"endHours":20.383864531392952,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:58","startHours":24.1287388291507,"endHours":24.97312954193098,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:13","end":"07:48","startHours":6.218003839688723,"endHours":7.8012364261517515,"quality":"inauspicious"},{"name":"Śubha","start":"07:48","end":"09:23","startHours":7.8012364261517515,"endHours":9.38446901261478,"quality":"auspicious"},{"name":"Roga","start":"09:23","end":"10:58","startHours":9.38446901261478,"endHours":10.96770159907781,"quality":"inauspicious"},{"name":"Udveg","start":"10:58","end":"12:33","startHours":10.96770159907781,"endHours":12.550934185540838,"quality":"inauspicious"},{"name":"Chala","start":"12:33","end":"14:08","startHours":12.550934185540838,"endHours":14.134166772003866,"quality":"neutral"},{"name":"Labha","start":"14:08","end":"15:43","startHours":14.134166772003866,"endHours":15.717399358466896,"quality":"auspicious"},{"name":"Amṛta","start":"15:43","end":"17:18","startHours":15.717399358466896,"endHours":17.300631944929926,"quality":"auspicious"},{"name":"Kāla","start":"17:18","end":"18:53","startHours":17.300631944929926,"endHours":18.883864531392952,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:53","end":"20:18","startHours":18.883864531392952,"endHours":20.300631944929922,"quality":"auspicious"},{"name":"Amṛta","start":"20:18","end":"21:43","startHours":20.300631944929922,"endHours":21.717399358466896,"quality":"auspicious"},{"name":"Kāla","start":"21:43","end":"23:08","startHours":21.717399358466896,"endHours":23.134166772003866,"quality":"inauspicious"},{"name":"Śubha","start":"23:08","end":"00:33","startHours":23.134166772003866,"endHours":24.55093418554084,"quality":"auspicious"},{"name":"Roga","start":"00:33","end":"01:58","startHours":24.55093418554084,"endHours":25.96770159907781,"quality":"inauspicious"},{"name":"Udveg","start":"01:58","end":"03:23","startHours":25.96770159907781,"endHours":27.38446901261478,"quality":"inauspicious"},{"name":"Chala","start":"03:23","end":"04:48","startHours":27.38446901261478,"endHours":28.801236426151753,"quality":"neutral"},{"name":"Labha","start":"04:48","end":"06:13","startHours":28.801236426151753,"endHours":30.218003839688723,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.218003839688723,"endHours":7.218003839688723,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.218003839688723,"endHours":8.218003839688723,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.218003839688723,"endHours":9.218003839688723,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.218003839688723,"endHours":10.218003839688723,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.218003839688723,"endHours":11.218003839688723,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.218003839688723,"endHours":12.218003839688723,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.218003839688723,"endHours":13.218003839688723,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.218003839688723,"endHours":14.218003839688723,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.218003839688723,"endHours":15.218003839688723,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.218003839688723,"endHours":16.218003839688723,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.218003839688723,"endHours":17.218003839688723,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.218003839688723,"endHours":18.218003839688723,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.218003839688723,"endHours":19.218003839688723,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.218003839688723,"endHours":20.218003839688723,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.218003839688723,"endHours":21.218003839688723,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.218003839688723,"endHours":22.218003839688723,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.218003839688723,"endHours":23.218003839688723,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.218003839688723,"endHours":24.218003839688723,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.218003839688723,"endHours":25.218003839688723,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.218003839688723,"endHours":26.218003839688723,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.218003839688723,"endHours":27.218003839688723,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.218003839688723,"endHours":28.218003839688723,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.218003839688723,"endHours":29.218003839688723,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.218003839688723,"endHours":30.218003839688723,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","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":19.706878613424706,"eotMinutes":-6.177651132450234,"ayanamsa":23.5954}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","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 Kṛṣṇa Navamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":[]},"validity":{"eternal":false,"location_specific":"kozhikode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 25, 1981 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"July 25, 1981 CE for Kozhikode (Calicut), Kerala: Kṛṣṇa Navamī, sūryodaya 06:13, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/1981-07-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/1981-07-25","sa":"https://sa.vidhyamitra.com/city/kozhikode/1981-07-25","hi":"https://hi.vidhyamitra.com/city/kozhikode/1981-07-25","x-default":"https://vidhyamitra.com/city/kozhikode/1981-07-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T01:44:47.321Z","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":"2026-06-02T01:44:47.321Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T01:44:47.321Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}